x -= 2 (Compound Subtraction) : Assignment « Operators « JavaScript Tutorial






  1. JavaScript Tutorial
  2. Operators
  3. Assignment
<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
<!--
var x = 6;
alert(x -= 2);
//  -->
</script>
</head>
<body>

</body>
</html>








2.4.Assignment
2.4.1.Assignment operator
2.4.2.x += 2 (Compound Plus)
2.4.3.x -= 2 (Compound Subtraction)
2.4.4.x *= 2 (Compound Multiply)
2.4.5.x /= 2 (Multiply Divide)
2.4.6.Advanced Assignment Operators
2.4.7.Assignment by Value Versus by Reference