mirror of
https://github.com/jquery/jquery.git
synced 2026-02-01 17:14:58 -05:00
92
src/core/ready.js
Normal file
92
src/core/ready.js
Normal file
@@ -0,0 +1,92 @@
|
||||
define([
|
||||
"../core",
|
||||
"../deferred"
|
||||
], function( jQuery ) {
|
||||
|
||||
// The deferred used on DOM ready
|
||||
var readyList;
|
||||
|
||||
jQuery.fn.ready = function( fn ) {
|
||||
// Add the callback
|
||||
jQuery.ready.promise().done( fn );
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
jQuery.extend({
|
||||
// Is the DOM ready to be used? Set to true once it occurs.
|
||||
isReady: false,
|
||||
|
||||
// A counter to track how many items to wait for before
|
||||
// the ready event fires. See #6781
|
||||
readyWait: 1,
|
||||
|
||||
// Hold (or release) the ready event
|
||||
holdReady: function( hold ) {
|
||||
if ( hold ) {
|
||||
jQuery.readyWait++;
|
||||
} else {
|
||||
jQuery.ready( true );
|
||||
}
|
||||
},
|
||||
|
||||
// Handle when the DOM is ready
|
||||
ready: function( wait ) {
|
||||
|
||||
// Abort if there are pending holds or we're already ready
|
||||
if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Remember that the DOM is ready
|
||||
jQuery.isReady = true;
|
||||
|
||||
// If a normal DOM Ready event fired, decrement, and wait if need be
|
||||
if ( wait !== true && --jQuery.readyWait > 0 ) {
|
||||
return;
|
||||
}
|
||||
|
||||
// If there are functions bound, to execute
|
||||
readyList.resolveWith( document, [ jQuery ] );
|
||||
|
||||
// Trigger any bound ready events
|
||||
if ( jQuery.fn.trigger ) {
|
||||
jQuery( document ).trigger("ready").off("ready");
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* The ready event handler and self cleanup method
|
||||
*/
|
||||
function completed() {
|
||||
document.removeEventListener( "DOMContentLoaded", completed, false );
|
||||
window.removeEventListener( "load", completed, false );
|
||||
jQuery.ready();
|
||||
}
|
||||
|
||||
jQuery.ready.promise = function( obj ) {
|
||||
if ( !readyList ) {
|
||||
|
||||
readyList = jQuery.Deferred();
|
||||
|
||||
// Catch cases where $(document).ready() is called after the browser event has already occurred.
|
||||
// we once tried to use readyState "interactive" here, but it caused issues like the one
|
||||
// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
|
||||
if ( document.readyState === "complete" ) {
|
||||
// Handle it asynchronously to allow scripts the opportunity to delay ready
|
||||
setTimeout( jQuery.ready );
|
||||
|
||||
} else {
|
||||
|
||||
// Use the handy event callback
|
||||
document.addEventListener( "DOMContentLoaded", completed, false );
|
||||
|
||||
// A fallback to window.onload, that will always work
|
||||
window.addEventListener( "load", completed, false );
|
||||
}
|
||||
}
|
||||
return readyList.promise( obj );
|
||||
};
|
||||
|
||||
});
|
||||
29
src/core/swap.js
Normal file
29
src/core/swap.js
Normal file
@@ -0,0 +1,29 @@
|
||||
define([
|
||||
"../core"
|
||||
], function( jQuery ) {
|
||||
|
||||
// A method for quickly swapping in/out CSS properties to get correct calculations.
|
||||
// Note: this method belongs to the css module but it's needed here for the support module.
|
||||
// If support gets modularized, this method should be moved back to the css module.
|
||||
jQuery.swap = function( elem, options, callback, args ) {
|
||||
var ret, name,
|
||||
old = {};
|
||||
|
||||
// Remember the old values, and insert the new ones
|
||||
for ( name in options ) {
|
||||
old[ name ] = elem.style[ name ];
|
||||
elem.style[ name ] = options[ name ];
|
||||
}
|
||||
|
||||
ret = callback.apply( elem, args || [] );
|
||||
|
||||
// Revert the old values
|
||||
for ( name in options ) {
|
||||
elem.style[ name ] = old[ name ];
|
||||
}
|
||||
|
||||
return ret;
|
||||
};
|
||||
|
||||
return jQuery.swap;
|
||||
});
|
||||
Reference in New Issue
Block a user