JavaScript Absolute value is a method of the Math object in JavaScript. This method helps return the absolute values of a number. Absolute value or modules essentially means a non-negative value of x.To understand the math involved let’s first understand what absolute value actually means. ...
JSMath Function - abs() Description & Uses ofJSabs() TheJSabs() function is used to return the absolute value or modulus |x| of a real number x is the non-negative value of x without regard to its sign. Formula |x| = √x2⇒ √-32= 3 ...
JavaScript Math.abs() 函数 Math.abs(x)-- 返回数字的绝对值 abs是absolute value的缩写,中文"绝对值"的意思 引用网址:http://www.dreamdu.com/javascript/Math.abs/ abs函数语法 Math. abs ( x ) ; abs函数参数 x -- 为number类型的数字。 abs函数返回值 返回x的绝对值 abs函数示例 document. write ...
Math.round(-1.6)// -2 Math.round(-1.5)// -1 ** Math.round(-1.2)// -1 Math.trunc(x) 获取整数 Math.trunc(1.1)// 1 Math.trunc(-1.1)// -1 Math.max([value1[, value2[, ...]]]) 求传入所有数值中的最大值 Math.max(1,2,3,4)// 4 constnums = [1,2,3,4] Math.max(....
The absolute value method is just called abs(), so if you want Alice to be the absolute value of -2,743, you’d use this: var Alice=Math.abs(-2743); The value of Alice would then be 2,743, without the minus sign. And of course, since it’s an absolute value, if you use th...
TheMath.abs()method returns the absolute value of a number. Syntax Math.abs(x) Parameters ParameterDescription xRequired. A number. Return Value TypeDescription NumberThe absolute value of the number. NaNif the value is not a number.
Math.round(.6) // => 1.0: round to the nearest integer Math.ceil(.6) // => 1.0: round up to an integer Math.floor(.6) // => 0.0: round down to an integer Math.abs(-5) // => 5: absolute value Math.max(x,y,z) // Return the largest argument ...
随机数(★★) Math.random();//返回一个[0,1)之间的数,能取到0,取不到1// 一般情况看下,我们不是要求随机小数,一般整数,例如速记点名 绝对值 (abs absolute 绝对) Math.abs();//求绝对值 次幂和平方 (pow power 幂 sqrt:开方 ) Math.pow(num, power);//求num的power次方Math.sqrt(num);//对...
abs() Return value Theabs()method returns: the absolute value of the specified number NaNfor non-numeric string arguments Example 1: JavaScript Math.abs() with Numeric Arguments value1 =Math.abs(57);console.log(value1);// 57value =Math.abs(-3);console.log(value);// 3 ...
letabsoluteValue=Math.abs(number);// 求绝对值letsquareRoot=Math.sqrt(number);// 求平方根letpower=Math.pow(number,exponent);// 求幂次方letround=Math.round(number);// 四舍五入letceil=Math.ceil(number);// 向上取整letfloor=Math.floor(number);// 向下取整letrandom=Math.random();// 生成一...