{"id":133312,"date":"2025-01-19T00:23:26","date_gmt":"2025-01-18T18:23:26","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=133312"},"modified":"2025-01-19T00:23:26","modified_gmt":"2025-01-18T18:23:26","slug":"%d0%be%d0%b1%d1%8a%d0%b5%d0%ba%d1%82-math-%d0%b2-javascript","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=133312","title":{"rendered":"\u041e\u0431\u044a\u0435\u043a\u0442 Math \u0432 JavaScript"},"content":{"rendered":"

\u041e\u0431\u044a\u0435\u043a\u0442 Math<\/span> \u0432 JavaScript \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0430\u0431\u043e\u0440 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043b\u0435\u0437\u043d\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0430 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0432 JavaScript, Math<\/span> \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440\u043e\u043c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0435\u043b\u044c\u0437\u044f \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math<\/span> \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 new<\/span>. \u0412\u0441\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math<\/span> \u0441\u0442\u0430\u0442\u0438\u0447\u043d\u044b, \u0447\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u043e\u043d\u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u0441\u0430\u043c \u043e\u0431\u044a\u0435\u043a\u0442 Math<\/span>, \u0430 \u043d\u0435 \u0447\u0435\u0440\u0435\u0437 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043e\u0431\u044a\u0435\u043a\u0442\u0430.<\/p>\n

\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0432\u0441\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math<\/span>.<\/p>\n

\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430<\/strong>
\n\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math<\/span> \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0441\u043e\u0431\u043e\u0439 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u0438\u043c\u0435\u044e\u0442 \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f.<\/p>\n

Math<\/span>.E<\/span>: \u041e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430\u0442\u0443\u0440\u0430\u043b\u044c\u043d\u044b\u0445 \u043b\u043e\u0433\u0430\u0440\u0438\u0444\u043c\u043e\u0432, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u043e\u0435 2.71828<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.E<\/span>)<\/span>; \/\/ 2.718281828459045<\/span><\/p><\/blockquote>\n

Math<\/span>.LN2<\/span>: \u041d\u0430\u0442\u0443\u0440\u0430\u043b\u044c\u043d\u044b\u0439 \u043b\u043e\u0433\u0430\u0440\u0438\u0444\u043c \u0447\u0438\u0441\u043b\u0430 2<\/span>, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u044b\u0439 0.69315<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.LN2<\/span>)<\/span>; \/\/ 0.6931471805599453<\/span><\/p><\/blockquote>\n

Math<\/span>.LN10<\/span>: \u041d\u0430\u0442\u0443\u0440\u0430\u043b\u044c\u043d\u044b\u0439 \u043b\u043e\u0433\u0430\u0440\u0438\u0444\u043c \u0447\u0438\u0441\u043b\u0430 10<\/span>, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u044b\u0439 2.30259<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.LN10<\/span>)<\/span>; \/\/ 2.302585092994046<\/span><\/p><\/blockquote>\n

Math<\/span>.LOG2E<\/span>: \u041b\u043e\u0433\u0430\u0440\u0438\u0444\u043c \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f 2<\/span> \u0447\u0438\u0441\u043b\u0430 E<\/span>, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u044b\u0439 1.44270<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.LOG2E<\/span>)<\/span>; \/\/ 1.4426950408889634<\/span><\/p><\/blockquote>\n

Math<\/span>.LOG10E<\/span>: \u041b\u043e\u0433\u0430\u0440\u0438\u0444\u043c \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f 10<\/span> \u0447\u0438\u0441\u043b\u0430 E<\/span>, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u044b\u0439 0.43429<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.LOG10E<\/span>)<\/span>; \/\/ 0.4342944819032518<\/span><\/p><\/blockquote>\n

Math<\/span>.PI<\/span>: \u0427\u0438\u0441\u043b\u043e \u03c0, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u043e\u0435 3.14159<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.PI<\/span>)<\/span>; \/\/ 3.141592653589793<\/span><\/p><\/blockquote>\n

Math<\/span>.SQRT1_2<\/span>: \u041a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0439 \u043a\u043e\u0440\u0435\u043d\u044c \u0438\u0437 1<\/span>\/<\/span>2<\/span>, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u044b\u0439 0.70711<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.SQRT1_2<\/span>)<\/span>; \/\/ 0.7071067811865476<\/span><\/p><\/blockquote>\n

Math<\/span>.SQRT2<\/span>: \u041a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0439 \u043a\u043e\u0440\u0435\u043d\u044c \u0438\u0437 2<\/span>, \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0432\u043d\u044b\u0439 1.41421<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.SQRT2<\/span>)<\/span>; \/\/ 1.4142135623730951<\/span><\/p><\/blockquote>\n

\u041c\u0435\u0442\u043e\u0434\u044b<\/strong>
\n\u041c\u0435\u0442\u043e\u0434\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math<\/span> \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<\/p>\n

Math<\/span>.abs<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0447\u0438\u0441\u043b\u0430.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.abs<\/span>(<\/span>—5<\/span>)<\/span>)<\/span>; \/\/ 5<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.abs<\/span>(<\/span>5<\/span>)<\/span>)<\/span>; \/\/ 5<\/span><\/p><\/blockquote>\n

Math<\/span>.acos<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0430\u0440\u043a\u043a\u043e\u0441\u0438\u043d\u0443\u0441 \u0447\u0438\u0441\u043b\u0430. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432\u044b\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.acos<\/span>(<\/span>0.5<\/span>)<\/span>)<\/span>; \/\/ 1.0471975511965979<\/span><\/p><\/blockquote>\n

Math<\/span>.asin<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0430\u0440\u043a\u0441\u0438\u043d\u0443\u0441 \u0447\u0438\u0441\u043b\u0430. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432\u044b\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.asin<\/span>(<\/span>0.5<\/span>)<\/span>)<\/span>; \/\/ 0.5235987755982989<\/span><\/p><\/blockquote>\n

Math<\/span>.atan<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0430\u0440\u043a\u0442\u0430\u043d\u0433\u0435\u043d\u0441 \u0447\u0438\u0441\u043b\u0430. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432\u044b\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.atan<\/span>(<\/span>1<\/span>)<\/span>)<\/span>; \/\/ 0.7853981633974483<\/span><\/p><\/blockquote>\n

Math<\/span>.atan2<\/span>(<\/span>y, x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0443\u0433\u043e\u043b \u043c\u0435\u0436\u0434\u0443 \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043e\u0441\u044c\u044e X \u0438 \u0442\u043e\u0447\u043a\u043e\u0439 (<\/span>x, y)<\/span>. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432\u044b\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.atan2<\/span>(<\/span>1<\/span>, 1<\/span>)<\/span>)<\/span>; \/\/ 0.7853981633974483<\/span><\/p><\/blockquote>\n

Math<\/span>.ceil<\/span>(<\/span>x)<\/span>: \u041e\u043a\u0440\u0443\u0433\u043b\u044f\u0435\u0442 \u0447\u0438\u0441\u043b\u043e \u0432\u0432\u0435\u0440\u0445 \u0434\u043e \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0433\u043e \u0446\u0435\u043b\u043e\u0433\u043e.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.ceil<\/span>(<\/span>5.1<\/span>)<\/span>)<\/span>; \/\/ 6<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.ceil<\/span>(<\/span>5.9<\/span>)<\/span>)<\/span>; \/\/ 6<\/span><\/p><\/blockquote>\n

Math<\/span>.cos<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u043e\u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430. \u0423\u0433\u043e\u043b \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u0432\u044b\u0440\u0430\u0436\u0435\u043d \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.cos<\/span>(<\/span>Math<\/span>.PI<\/span> \/<\/span> 2<\/span>)<\/span>)<\/span>; \/\/ 6.123233995736766e-17 (\u043e\u0447\u0435\u043d\u044c \u0431\u043b\u0438\u0437\u043a\u043e\u0435 \u043a \u043d\u0443\u043b\u044e)<\/span><\/p><\/blockquote>\n

Math<\/span>.exp<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 e<\/span> \u0432 \u0441\u0442\u0435\u043f\u0435\u043d\u0438 x.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.exp<\/span>(<\/span>1<\/span>)<\/span>)<\/span>; \/\/ 2.718281828459045<\/span><\/p><\/blockquote>\n

Math<\/span>.floor<\/span>(<\/span>x)<\/span>: \u041e\u043a\u0440\u0443\u0433\u043b\u044f\u0435\u0442 \u0447\u0438\u0441\u043b\u043e \u0432\u043d\u0438\u0437 \u0434\u043e \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0433\u043e \u0446\u0435\u043b\u043e\u0433\u043e.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.floor<\/span>(<\/span>5.1<\/span>)<\/span>)<\/span>; \/\/ 5<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.floor<\/span>(<\/span>5.9<\/span>)<\/span>)<\/span>; \/\/ 5<\/span><\/p><\/blockquote>\n

Math<\/span>.log<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043d\u0430\u0442\u0443\u0440\u0430\u043b\u044c\u043d\u044b\u0439 \u043b\u043e\u0433\u0430\u0440\u0438\u0444\u043c \u0447\u0438\u0441\u043b\u0430.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.log<\/span>(<\/span>Math<\/span>.E<\/span>)<\/span>)<\/span>; \/\/ 1<\/span><\/p><\/blockquote>\n

Math<\/span>.max<\/span>(<\/span>…values<\/span>)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0435\u0435 \u0447\u0438\u0441\u043b\u043e \u0441\u0440\u0435\u0434\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u044b\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.max<\/span>(<\/span>1<\/span>, 5<\/span>, 3<\/span>, 7<\/span>)<\/span>)<\/span>; \/\/ 7<\/span><\/p><\/blockquote>\n

Math<\/span>.min<\/span>(<\/span>…values<\/span>)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043d\u0430\u0438\u043c\u0435\u043d\u044c\u0448\u0435\u0435 \u0447\u0438\u0441\u043b\u043e \u0441\u0440\u0435\u0434\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u044b\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.min<\/span>(<\/span>1<\/span>, 5<\/span>, 3<\/span>, 7<\/span>)<\/span>)<\/span>; \/\/ 1<\/span><\/p><\/blockquote>\n

Math<\/span>.pow<\/span>(<\/span>base, exponent)<\/span>: \u0412\u043e\u0437\u0432\u043e\u0434\u0438\u0442 \u0447\u0438\u0441\u043b\u043e base \u0432 \u0441\u0442\u0435\u043f\u0435\u043d\u044c exponent.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.pow<\/span>(<\/span>2<\/span>, 3<\/span>)<\/span>)<\/span>; \/\/ 8<\/span><\/p><\/blockquote>\n

Math<\/span>.random<\/span>(<\/span>)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0437\u0430\u043f\u044f\u0442\u043e\u0439 \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u043e\u0442 0<\/span> \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0434\u043e 1<\/span> \u0438\u0441\u043a\u043b\u044e\u0447\u0430\u044f.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.random<\/span>(<\/span>)<\/span>)<\/span>; \/\/ \u0421\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440: 0.123456789<\/span><\/p><\/blockquote>\n

Math<\/span>.round<\/span>(<\/span>x)<\/span>: \u041e\u043a\u0440\u0443\u0433\u043b\u044f\u0435\u0442 \u0447\u0438\u0441\u043b\u043e \u0434\u043e \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0433\u043e \u0446\u0435\u043b\u043e\u0433\u043e.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.round<\/span>(<\/span>5.4<\/span>)<\/span>)<\/span>; \/\/ 5<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.round<\/span>(<\/span>5.6<\/span>)<\/span>)<\/span>; \/\/ 6<\/span><\/p><\/blockquote>\n

Math<\/span>.sign<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0437\u043d\u0430\u043a \u0447\u0438\u0441\u043b\u0430 (<\/span>—1<\/span>, 0<\/span>, \u0438\u043b\u0438 1<\/span>)<\/span>.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.sign<\/span>(<\/span>—5<\/span>)<\/span>)<\/span>; \/\/ -1<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.sign<\/span>(<\/span>0<\/span>)<\/span>)<\/span>; \/\/ 0<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.sign<\/span>(<\/span>5<\/span>)<\/span>)<\/span>; \/\/ 1<\/span><\/p><\/blockquote>\n

Math<\/span>.sin<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430. \u0423\u0433\u043e\u043b \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u0432\u044b\u0440\u0430\u0436\u0435\u043d \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.sin<\/span>(<\/span>Math<\/span>.PI<\/span> \/<\/span> 2<\/span>)<\/span>)<\/span>; \/\/ 1<\/span><\/p><\/blockquote>\n

Math<\/span>.sqrt<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0439 \u043a\u043e\u0440\u0435\u043d\u044c \u0447\u0438\u0441\u043b\u0430.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.sqrt<\/span>(<\/span>25<\/span>)<\/span>)<\/span>; \/\/ 5<\/span><\/p><\/blockquote>\n

Math<\/span>.tan<\/span>(<\/span>x)<\/span>: \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0442\u0430\u043d\u0433\u0435\u043d\u0441 \u0443\u0433\u043b\u0430. \u0423\u0433\u043e\u043b \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u0432\u044b\u0440\u0430\u0436\u0435\u043d \u0432 \u0440\u0430\u0434\u0438\u0430\u043d\u0430\u0445.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.tan<\/span>(<\/span>Math<\/span>.PI<\/span> \/<\/span> 4<\/span>)<\/span>)<\/span>; \/\/ 0.9999999999999999 (\u043f\u043e\u0447\u0442\u0438 1)<\/span><\/p><\/blockquote>\n

Math<\/span>.trunc<\/span>(<\/span>x)<\/span>: \u0423\u0441\u0435\u043a\u0430\u0435\u0442 \u0434\u0440\u043e\u0431\u043d\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0447\u0438\u0441\u043b\u0430, \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044f \u0446\u0435\u043b\u0443\u044e \u0447\u0430\u0441\u0442\u044c.<\/p>\n

console<\/span>.log<\/span>(<\/span>Math<\/span>.trunc<\/span>(<\/span>5.9<\/span>)<\/span>)<\/span>; \/\/ 5<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.trunc<\/span>(<\/span>—5.1<\/span>)<\/span>)<\/span>; \/\/ -5<\/span><\/p><\/blockquote>\n

\u041f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/strong><\/p>\n

\/\/ \u0412\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043a\u0440\u0443\u0433\u0430<\/span>
\nlet radius = 5<\/span>;
\nlet area = Math<\/span>.PI<\/span> *<\/span> Math<\/span>.pow<\/span>(<\/span>radius, 2<\/span>)<\/span>;
\nconsole.log<\/span>(<\/span>area)<\/span>; \/\/ 78.53981633974483<\/span><\/p>\n

\/\/ \u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u043e\u0442 min \u0434\u043e max<\/span>
\nfunction<\/span> getRandomInt(<\/span>min<\/span>, max<\/span>)<\/span> {<\/span>
\nreturn<\/span> Math<\/span>.floor<\/span>(<\/span>Math<\/span>.random<\/span>(<\/span>)<\/span> *<\/span> (<\/span>max<\/span> — min<\/span> + 1<\/span>)<\/span>)<\/span> + min<\/span>;
\n}<\/span><\/p>\n

console.log<\/span>(<\/span>getRandomInt(<\/span>1<\/span>, 100<\/span>)<\/span>)<\/span>; \/\/ \u0421\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0446\u0435\u043b\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u043e\u0442 1 \u0434\u043e 100<\/span><\/p>\n

\/\/ \u041e\u043a\u0440\u0443\u0433\u043b\u0435\u043d\u0438\u0435 \u0447\u0438\u0441\u043b\u0430 \u0434\u043e \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0433\u043e \u0446\u0435\u043b\u043e\u0433\u043e<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.round<\/span>(<\/span>4.5<\/span>)<\/span>)<\/span>; \/\/ 5<\/span>
\nconsole.log<\/span>(<\/span>Math<\/span>.round<\/span>(<\/span>4.49<\/span>)<\/span>)<\/span>; \/\/ 4<\/span><\/p><\/blockquote>\n

\"\"<\/a>
\n\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/strong>
\n\u041e\u0431\u044a\u0435\u043a\u0442 Math<\/span> \u0432 JavaScript \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0448\u0438\u0440\u043e\u043a\u0438\u0439 \u0441\u043f\u0435\u043a\u0442\u0440 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043c\u043e\u0433\u0430\u044e\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c \u0440\u0435\u0448\u0430\u0442\u044c \u0437\u0430\u0434\u0430\u0447\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0440\u0430\u0441\u0447\u0435\u0442\u043e\u0432. \u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0441\u0432\u043e\u0438\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c, Math<\/span> \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043f\u0440\u043e\u0449\u0430\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u0442\u043e\u0447\u043d\u044b\u0445 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u041e\u0431\u044a\u0435\u043a\u0442 Math \u0432 JavaScript \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0430\u0431\u043e\u0440 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043b\u0435\u0437\u043d\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0430 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0432 JavaScript, Math \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440\u043e\u043c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0435\u043b\u044c\u0437\u044f \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 new. \u0412\u0441\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u0430 Math \u0441\u0442\u0430\u0442\u0438\u0447\u043d\u044b, \u0447\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u043e\u043d\u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u0441\u0430\u043c \u043e\u0431\u044a\u0435\u043a\u0442 Math, \u0430 […]<\/p>\n","protected":false},"author":1,"featured_media":133313,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[463],"tags":[],"class_list":["post-133312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript"],"views":410,"_links":{"self":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/133312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=133312"}],"version-history":[{"count":1,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/133312\/revisions"}],"predecessor-version":[{"id":133314,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/133312\/revisions\/133314"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/media\/133313"}],"wp:attachment":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=133312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=133312"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=133312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}