JavaScript Math.sqrt()

let x = Math.sqrt(9);

let a = Math.sqrt(0);
let b = Math.sqrt(1);
let c = Math.sqrt(9);
let d = Math.sqrt(64);
let e = Math.sqrt(-9);

Description

The Math.sqrt() method returns the square root of a number.

Math.sqrt( x)

Parameter	Description
x	Required. A number.

Type	Description
Number	The square root of the number. `NaN` if the number negative.

Math. is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes