Elementals.js

Latest Version: 3.0 RC 1 17 July 2017

Method _.Class.exists

Summary:

Checks if a class or any values in an array of classes exists on an element.

Calling Convention:
_.Class.exists(Element, [String || Array])
Parameters:
Element
The element to check for presence of classes
String
A string to be searched for in Element.className
Array
An array of strings to be searched for.
Returns:
True if at least one class is present.
False if no classes are present

Example

HTML:

<p id="test" class="one"></p>

JavaScript:

var p = document.getElementById('test');
console.log('p# test contains "one" is ' + _.Class.exists(p, 'one'));
console.log('p# test contains "two" is ' + _.Class.exists(p, 'two'));
console.log('p# test contains "one" or "two" is ' + _.Class.exists(p, ['one', 'two']));

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