JavaScript: Find The Largest of Three Given Integers

Write a Javascript Program to find the largest of three Given Integers.

In this JavaScript program, Function when call upon get three values from the input field, intially assign an empty value to a variable max_val, and within if statement, you call x greater than y, if the logic prevails, the function return max_val = x, if it is not greater then y, Function will return max_val = y.
In the Else statement your logic will be z greater than max_val, if it's true Function will return max_val = z and if it's not true the Function will return max_val.

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