/**
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* ESL (Enterprise Standard Loader)
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* Copyright 2013 Baidu Inc. All rights reserved.
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*
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* @file JS Loader-Plugin
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* @author errorrik(errorrik@gmail.com)
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*/
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// 构建环境暂不支持分析，为了能合并该plugin到loader里，
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// 只能暂时使用具名id
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define( 'js', {
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load: function ( resourceId, req, load, config ) {
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function onload() {
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var readyState = script.readyState;
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if (
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typeof readyState == 'undefined'
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|| /^(loaded|complete)$/.test( readyState )
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) {
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script.onload = script.onreadystatechange = null;
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script = null;
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load( true );
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}
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}
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var script = document.createElement( 'script' );
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script.src = req.toUrl( resourceId );
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script.async = true;
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if ( script.readyState ) {
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script.onreadystatechange = onload;
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}
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else {
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script.onload = onload;
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}
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var parent = document.getElementsByTagName( 'head' )[ 0 ]
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|| document.body;
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parent.appendChild( script ) && ( parent = null );
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}
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} );
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