Inside JavaScript

The contains Method

The contains method indicates whether an object contains another object (in terms of nested HTML elements), returning a value of true if so, and false otherwise . You can see the support for this method in Table 6.15.

Table 6.15. The contains Method

Method

NS2

NS3

NS4

NS6

IE3a

IE3b

IE4

IE5

IE5.5

IE6

contains( object )

           

x

x

x

x

 

Returns: Boolean

Here's an example where I'm checking whether object1 contains element1 :

var contained = object1.contains(element1)

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