Jquery API/1.3/Utilities

API/1.3/Utilities

From jQuery JavaScript Library

Jump to: navigation, search

Browser and Feature Detection:

Name	Type
jQuery.support	Returns: Object
Added in jQuery 1.3 A collection of properties that represent the presence of different browser features or bugs.
jQuery.browser	Returns: Map
Deprecated in jQuery 1.3 (see jQuery.support) Contains flags for the useragent, read from navigator.userAgent.
jQuery.browser.version	Returns: String
Deprecated in jQuery 1.3 (see jQuery.support) The version number of the rendering engine for the user's browser.
jQuery.boxModel	Returns: Boolean
Deprecated in jQuery 1.3 (see jQuery.support) States if the current page, in the user's browser, is being rendered using the W3C CSS Box Model.

Array and Object operations:

Name	Type
jQuery.each( object, callback )	Returns: Object
A generic iterator function, which can be used to seamlessly iterate over both objects and arrays. Arrays and array-like objects with a length property (such as a function's arguments object) are iterated by numeric index, from 0 to length-1. Other objects are iterated via their named properties.
jQuery.extend( deep, target, object1, objectN )	Returns: Object
Extend one object with one or more others, returning the modified object.
jQuery.grep( array, callback, invert )	Returns: Array
Finds the elements of an array which satisfy a filter function. The original array is not affected.
jQuery.makeArray( obj )	Returns: Array
Turns anything into a true array.
jQuery.map( array, callback )	Returns: Array
Translate all items in an array to another array of items.
jQuery.inArray( value, array )	Returns: Number
Determine the index of the first parameter in the Array (-1 if not found).
jQuery.merge( first, second )	Returns: Array
Merge two arrays together.
jQuery.unique( array )	Returns: Array
Remove all duplicate elements from an array of elements. Note that this only works on arrays of DOM elements, not strings or numbers.

Test operations:

Name	Type
jQuery.isArray( obj )	Returns: Boolean
Added in jQuery 1.3 Determine if the parameter passed is an array.
jQuery.isFunction( obj )	Returns: Boolean
Determine if the parameter passed is a Javascript function object.

String operations:

Name	Type
jQuery.trim( str )	Returns: String
Remove the whitespace from the beginning and end of a string.

URLs:

Name	Type
jQuery.param( obj )	Returns: String
Serializes an array of form elements or an object (core of .serialize() method).