Returns the square root of the input value. Value cannot be a negative value.

sqrt(x)

Returns: double

Takes the square root of an input and returns it. The input value cannot be a negative value and should be checked before obtaining the square root by using the sign() function.

var squareRootValue = sqrt(25); //return 5

This code will set var squareRootValue to the square root of 25 which is 5.

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