| 7.4.1.arguments |
|
|
Syntax |
arguments
arguments[index]
|
|
The Arguments object is an array that contains all the arguments passed into the function. |
The Arguments object is automatically created and initialized when a function is invoked. |
The Arguments object goes out of scope when the code function finishes executing. |
To access arguments passed into a function, simply use array brackets to specify an index. |
Properties Associated with the Arguments Object is listed in the following table. |
| Property | Description | | callee | Contains the function that is currently executing | | caller | Contains the Arguments object of the calling function | | length | The length of the arguments array |
|
<html>
<form>
<input type="button" value="A" OnClick=displayFood(this,"A")>
<input type="button" value="B" OnClick=displayFood(this,"B")>
<input type="button" value="C" OnClick=displayFood(this,"C")>
<input type="button" value="D" OnClick=displayFood(this,"D")>
<input type="button" value="E" OnClick=displayFood(this,"E")>
</form>
<script language="JavaScript">
<!--
function displayFood()
{
var aString = arguments[0].value;
aString += "'s is ";
aString += arguments[1];
alert(aString);
}
-->
</script>
</html>
|
|