Javascript Math hypot()

Introduction

The Math.hypot() function returns the square root of the sum of squares of its arguments. 

Math.hypot([value1[, value2[, ...]]]) // value1, value2, ...  are   Numbers.

If no arguments are given, the result is +0.

If at least one of the arguments cannot be converted to a number, the result is NaN.

With one argument, Math.hypot() returns the same as Math.abs(). 

let a = Math.hypot(3, 4);        // 5
console.log(a);//from   www  . j  ava  2 s  . com
a = Math.hypot(3, 4, 5);     // 7.0710678118654755
console.log(a);
a = Math.hypot();            // 0
console.log(a);
a = Math.hypot(NaN);         // NaN
console.log(a);
a = Math.hypot(3, 4, 'test'); // NaN, +'test' => NaN
console.log(a);
a = Math.hypot(3, 4, '5');   // 7.0710678118654755, +'5' => 5
console.log(a);
a = Math.hypot(-3);          // 3, the same as Math.abs(-3)
console.log(a);



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