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IEnumerable.contains Method
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Checks if the given element is present in the collection.

Namespace: MindFusion.Common.Collections
File: IEnumerable.js

 Syntax

JavaScript  Copy Code

function contains (item)

 Parameters

item

Object. The object to check for.

 Return Value

Boolean. True if the element is found, otherwise false.

 Example

The following code checks if a TreeNode element called "div" is contained within the collection of items of a TreeView instance.

JavaScript  Copy Code

// create a tree node that will be a root in our hierarchy
var root = new ui.TreeNode("body");
root.expanded = true;

var span = new ui.TreeNode("span");
var div = new ui.TreeNode("div");
var p = new ui.TreeNode("p");

var elements = [span, div, p];
root.items.addRange(elements);
.......................

if (root.items.contains(div))
{
 //do something
}

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