Question

How to use the decrement (--) operator in JavaScript

Answer 1

<script>
var x = 3;
var y = 3;

var a = x--;
var b = --y;

document.write("a = " + a + "<br />");
document.write("b = " + b + "<br />");
document.write("x = " + x + "<br />");
document.write("y = " + y + "<br />");

/*
run:

a = 3
b = 2
x = 2
y = 2

*/
</script>

 

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