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(function () { | |
var scriptName = "embed.js"; //name of this script, used to get reference to own tag | |
var jQuery; //noconflict reference to jquery | |
var jqueryPath = "http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"; | |
var jqueryVersion = "1.8.3"; | |
var scriptTag; //reference to the html script tag | |
/******** Get reference to self (scriptTag) *********/ | |
var allScripts = document.getElementsByTagName('script'); | |
var targetScripts = []; | |
for (var i in allScripts) { | |
var name = allScripts[i].src | |
if(name && name.indexOf(scriptName) > 0) | |
targetScripts.push(allScripts[i]); | |
} | |
scriptTag = targetScripts[targetScripts.length - 1]; | |
/******** helper function to load external scripts *********/ | |
function loadScript(src, onLoad) { | |
var script_tag = document.createElement('script'); | |
script_tag.setAttribute("type", "text/javascript"); | |
script_tag.setAttribute("src", src); | |
if (script_tag.readyState) { | |
script_tag.onreadystatechange = function () { | |
if (this.readyState == 'complete' || this.readyState == 'loaded') { | |
onLoad(); | |
} | |
}; | |
} else { | |
script_tag.onload = onLoad; | |
} | |
(document.getElementsByTagName("head")[0] || document.documentElement).appendChild(script_tag); | |
} | |
/******** helper function to load external css *********/ | |
function loadCss(href) { | |
var link_tag = document.createElement('link'); | |
link_tag.setAttribute("type", "text/css"); | |
link_tag.setAttribute("rel", "stylesheet"); | |
link_tag.setAttribute("href", href); | |
(document.getElementsByTagName("head")[0] || document.documentElement).appendChild(link_tag); | |
} | |
/******** load jquery into 'jQuery' variable then call main ********/ | |
if (window.jQuery === undefined || window.jQuery.fn.jquery !== jqueryVersion) { | |
loadScript(jqueryPath, initjQuery); | |
} else { | |
initjQuery(); | |
} | |
function initjQuery() { | |
jQuery = window.jQuery.noConflict(true); | |
main(); | |
} | |
/******** starting point for your widget ********/ | |
function main() { | |
//your widget code goes here | |
jQuery(document).ready(function ($) { | |
//or you could wait until the page is ready | |
//example jsonp call | |
//var jsonp_url = "www.example.com/jsonpscript.js?callback=?"; | |
//jQuery.getJSON(jsonp_url, function(result) { | |
// alert("win"); | |
//}); | |
//example load css | |
//loadCss("http://example.com/widget.css"); | |
//example script load | |
//loadScript("http://example.com/anotherscript.js", function() { /* loaded */ }); | |
}); | |
} | |
})(); |
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