javascript sqrt() method
Translation results：
[Calculation]= SQuare Root, square root
javascript sqrt() methodsyntax
Function: Returns the square root of a number.
Syntax: Math.sqrt(x)
Parameters: x Required. Must be a number greater than or equal to 0.
Returns: The square root of parameter x. If x is less than 0, NaN is returned.
javascript sqrt() methodexample
<html> <body> <script type="text/javascript"> document.write(Math.sqrt(0) + "<br />") document.write(Math.sqrt(1) + "<br />") document.write(Math.sqrt(9) + "<br />") document.write(Math.sqrt(0.64) + "<br />") document.write(Math.sqrt(-9)) </script> </body> </html>
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