Variable scoping : Variable Definition « Language Basics « JavaScript DHTML






  1. JavaScript DHTML
  2. Language Basics
  3. Variable Definition

Variable scoping

  

<html>
<head>
    <title>Scoping Example</title>
    <script type = "text/javascript" >
    var aNewVariable = "global.";
    function myFunction(myPara) {
        document.write("Global variable within the function: " + aNewVariable);
        document.write("Local variable within the function: " + myPara);
    }

    </script>

</head>
<body>
<script type = "text/javascript" >

    myFunction("local");
    document.write("Global var outside the function: " + aNewVariable);
    document.write("Local var outside the function: " + myPara);
    
</script>
</body>
</html>








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1.The Effects of Local and Global Variables
2.Use of Global and Local Variables
3.Event Handler with Multiple Statements in Attribute Value
4.Global and Local Variable Scope Demonstration
5.Global Versus Local Scope of a Variable
6.Variable scope
7.Get the type of a variable
8.Global scope and page scope
9.String value is passed by value, while the array is passed by reference