There are lots of utility functions that the jQuery provide. These functions can be use to perform Javascript Task with ease. These are also very helpful most specially when completing certain programming task.
Below are the commonly used jQuery utilities
| Method | Discription |
| .clearQueue() | It removes from the queue all items that have not yet been run. |
| .dequeue() | This executes the next function on the queue for the matched elements. |
| jQuery.boxModel | It states if the current page, in the user’s browser, is being rendered using the W3C CSS Box Model. This property was removed in jQuery 1.8. Please try to use feature detection instead. |
| jQuery.fn.extend() | It merge the contents of an object onto the jQuery prototype to provide new jQuery instance s. |
| jQuery.globalEval() | Executes some JavaScript code globally. |
| jQuery.browser | It contain flags for the useragent, read from navigator.userAgent. This property was removed in jQuery 1.9 and is available only through the Query.migrate plugin. Please try to use feature detection instead. |
| jQuery.contains() | This check to see if a DOM element is a escendant of another DOM element. |
| jQuery.data() | It stores arbitrary data associated with the specified element and/or return the value that was set. |
| jQuery.dequeue() | It executes the next function on the queue for the matched element. |
| jQuery.each() | Serves as a generic iterator function, that can be used to seamlessly iterate over both objects and arrays. |
| jQuery.extend() | It merges the contents of two or more objects together into the first object. |
| jQuery.grep() | This finds the elements of an array that satisfies a filter function and it does not affect the original array. |
| jQuery.inArray() | This search for a specified value within an array and return its index (or -1 if not found). |
| jQuery.isArray() | It determine whether the argument is an array. |
| jQuery.isEmptyObject() | This check to see if an object is empty (contains no enumerable properties). |
| jQuery.isFunction() | It determine if the argument passed is a JavaScript function object. |
| jQuery.isNumeric() | Determines whether its argument is a number. |
| jQuery.isPlainObject() | This check to see if an object is a plain object |
| jQuery.isWindow() | It determines whether the argument is a window. |
| jQuery.isXMLDoc() | This check if a DOM node is within an XML document or is an XML document. |
| jQuery.makeArray() | It convert an array-like object into a true JavaScript array. |
| jQuery.map() | This translates all items in an array or object to new array of items. |
| jQuery.merge() | It merge the contents of two arrays together into the first array. |
| jQuery.isFunction() | It determine if the argument passed is a JavaScript function object. |
| jQuery.isNumeric() | This determines whether its argument is a number. |
| jQuery.isPlainObject() | It check to see if an object is a plain object (created using “{}” or “new Object”). |
| jQuery.isWindow() | It determine whether the argument is a window. |
| jQuery.noop() | An empty function. |
| jQuery.now() | It return a number representing the current time. |
| jQuery.parseHTML() | This parses a string into an array of DOM nodes. |
| jQuery.parseJSON() | This takes a well-formed JSON string and returns the resulting JavaScript value. |
| jQuery.parseXML() | It parses a string into an XML document. |
| jQuery.proxy() | It takes a function and returns a new one that will always have a particular context. |
| jQuery.queue() | This show or manipulate the queue of functions to be executed on the matched element. |
| jQuery.removeData() | It removes a previously-stored piece of data. |
| jQuery.trim() | This remove the whitespace of a string. |
| jQuery.type() | it determine the internal JavaScript [[Class]] of an object. |
| jQuery.unique() | It removes the duplicates in an array of DOM elements and it only works on arrays of DOM elements. |
| .queue() | It manipulates the queue of functions to be executed on the matched elements. |
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