A faster way than document ready
Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta
// @require https://update.greasyfork.org/scripts/6881/27464/Wait%20Until%20Exists%20Version%20v02.js
/*
* Wait Until Exists Version v0.2 - http://javascriptisawesome.blogspot.com/
*
*
* TERMS OF USE - Wait Until Exists
*
* Open source under the BSD License.
*
* Copyright © 2011 Ivan Castellanos
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of the author nor the names of contributors may be used to endorse
* or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
(function(){
var _waitUntilExists = {
pending_functions : [],
loop_and_call : function()
{
if(!_waitUntilExists.pending_functions.length){return}
for(var i=0;i<_waitUntilExists.pending_functions.length;i++)
{
var obj = _waitUntilExists.pending_functions[i];
var resolution = document.getElementById(obj.id);
if(obj.id == document){
resolution = document.body;
}
if(resolution){
var _f = obj.f;
_waitUntilExists.pending_functions.splice(i, 1)
if(obj.c == "itself"){obj.c = resolution}
_f.call(obj.c)
i--
}
}
},
global_interval : setInterval(function(){_waitUntilExists.loop_and_call()},5)
}
if(document.addEventListener){
document.addEventListener("DOMNodeInserted", _waitUntilExists.loop_and_call, false);
clearInterval(_waitUntilExists.global_interval);
}
window.waitUntilExists = function(id,the_function,context){
context = context || window
if(typeof id == "function"){context = the_function;the_function = id;id=document}
_waitUntilExists.pending_functions.push({f:the_function,id:id,c:context})
}
waitUntilExists.stop = function(id,f){
for(var i=0;i<_waitUntilExists.pending_functions.length;i++){
if(_waitUntilExists.pending_functions[i].id==id && (typeof f == "undefined" || _waitUntilExists.pending_functions[i].f == f))
{
_waitUntilExists.pending_functions.splice(i, 1)
}
}
}
waitUntilExists.stopAll = function(){
_waitUntilExists.pending_functions = []
}
})