649 B
649 B
title
| title |
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| Math Sqrt |
Math Sqrt
The function Math.sqrt() returns the square root of a number.
If a negative number is entered, NaN is returned.
sqrt() is a static method of Math, therefore it is always called as Math.sqrt() rather than as a method on another object.
Syntax
Math.sqrt(x), where x is a number.
Examples
Math.sqrt(25); // 5
Math.sqrt(169); // 13
Math.sqrt(3); // 1.732050807568
Math.sqrt(1); // 1
Math.sqrt(-5); // NaN