init repo
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nikolay ivanov
180
OfficeWeb/sdk/Common/Charts/docs/domcontentloaded.html
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180
OfficeWeb/sdk/Common/Charts/docs/domcontentloaded.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<!--
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/**
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* o------------------------------------------------------------------------------o
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* | This file is part of the OfficeExcel package - you can learn more at: |
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* | |
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* | http://www.OfficeExcel.net |
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* | |
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* | This package is licensed under the OfficeExcel license. For all kinds of business |
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* | purposes there is a small one-time licensing fee to pay and for non |
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* | commercial purposes it is free to use. You can read the full license here: |
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* | |
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* | http://www.OfficeExcel.net/LICENSE.txt |
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* o------------------------------------------------------------------------------o
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*/
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-->
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<title>Using the DOMContentLoaded event to create your chart</title>
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<meta name="keywords" content="OfficeExcel html5 canvas charts docs domcontentloaded" />
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<meta name="description" content="An example of using OfficeExcel in conjunction with the new DOMContentLoaded event" />
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<meta name="googlebot" content="NOODP">
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<meta property="og:title" content="OfficeExcel: HTML5 Javascript charts library" />
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<meta property="og:description" content="A charts library based on the HTML5 canvas tag" />
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<meta property="og:image" content="http://www.OfficeExcel.net/images/logo.png"/>
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<link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
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<link rel="icon" type="image/png" href="../images/favicon.png">
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<!-- Place this tag in your head or just before your close body tag -->
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<script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>
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<meta name="keywords" content="OfficeExcel chart html5 javascript canvas" />
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<meta name="description" content="OfficeExcel: HTML5 Javascript charts library Javascript charts and HTML5 canvas charts library" />
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<script src="../libraries/OfficeExcel.common.core.js" ></script>
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<script src="../libraries/OfficeExcel.line.js" ></script>
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<!--[if lt IE 9]><script src="../excanvas/excanvas.original.js"></script><![endif]-->
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<script>
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window.onload = function ()
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{
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var duration = (new Date().getTime() - timer.getTime()) / 1000;
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document.getElementById("waiting").innerHTML = '<span style="color: green">Done! Extra time taken: ' + duration.toFixed(1) + ' seconds</span>';
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alert('The window.onload event fired, extra time taken: ' + duration.toFixed(1) + ' seconds');
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}
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function myFunc ()
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{
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var line = new OfficeExcel.Line('cvs', [4,3,2,4,5,6,7,4,8,9]);
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line.Set('chart.labels', ['Dez', 'Fliss','Geoff','Hoolio','John','Rich','Kev','Charles','Lou','Bob']);
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line.Set('chart.hmargin', 5);
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line.Set('chart.title', 'A demonstration of the DOMContentLoaded event');
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line.Set('chart.title.vpos', 0.5);
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line.Set('chart.tickmarks', 'circle');
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line.Set('chart.linewidth', 1.01);
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if (navigator.userAgent.indexOf('Chrome/6') == -1) {
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line.Set('chart.shadow', true);
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line.Set('chart.shadow.offsetx', 0);
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line.Set('chart.shadow.offsety', 0);
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line.Set('chart.shadow.blur', 15);
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}
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line.Draw();
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}
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/**
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* Install the function to the appropriate event
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*/
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if(window.addEventListener) {
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window.addEventListener('DOMContentLoaded', myFunc, false);
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} else if (!OfficeExcel.isOld()) {
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document.attachEvent("onDOMContentLoaded", myFunc);
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} else {
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window.onload = function ()
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{
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myFunc();
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}
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}
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// Create a timer to show the difference
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timer = new Date();
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</script>
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<?php PrintAnalyticsCode() ?>
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</head>
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<body>
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<!-- Social networking buttons -->
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<?php
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$prefix = substr($_SERVER['SERVER_NAME'], 0, 3);
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require("/OfficeExcel.{$prefix}/social.html");
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?>
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<!-- Social networking buttons -->
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<div id="breadcrumb">
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<a href="../index.html">OfficeExcel: HTML5 Javascript charts library</a>
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>
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<a href="./index.html">Documentation</a>
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>
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DOMContentLoaded event
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</div>
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<h1>DOMContentLoaded <span>example</span></h1>
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<script>
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if (OfficeExcel.isOld()) {
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document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer does not natively support the HTML5 canvas tag, so if you want to see the charts, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the OfficeExcel Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag.</div>');
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}
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</script>
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<p id="waiting" style="; font-weight: bold; font-size: 16pt"><span style="color: #aa0">Waiting for onload event...</span></p>
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<p style="background-color: #eee; border: 1px dashed gray; padding: 5px; height: 50px;">
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<span style="display: inline-block; margin-left: 10px; float: right">
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<script>
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document.write('<img src="http://ie.microsoft.com/testdrive/HTML5/DOMContentLoaded/whidbey.jpg?' + Math.random() + '" width="50" height="50" /> ');
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document.write('<img src="http://ie.microsoft.com/testdrive/HTML5/DOMContentLoaded/window.jpg?' + Math.random() + '" width="50" height="50" /> ');
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document.write('<img src="http://ie.microsoft.com/testdrive/HTML5/DOMContentLoaded/whidbey2.jpg?' + Math.random() + '" width="50" height="50" />');
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</script>
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</span>
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These images are here to pad the page and slow down loading so that the window.onload event is slowed. This makes the
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difference far more visible.
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</p>
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<canvas id="cvs" width="600" height="250" style="float: right">[No canvas support]</canvas>
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<p>
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The DOMContentLoaded event is an extremely useful event and can make a big impact on the performance of your pages, hence this
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example. The DOMContentLoaded event fires when the pages HTML and scripts have loaded, but not necessarily any images or CSS.
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This can make a big improvement on the apparent speed of your page(s).
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</p>
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<p>
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You can read more about the <i>DOMContentLoaded</i> event on the Mozilla site, <a href="https://developer.mozilla.org/en/Gecko-Specific_DOM_Events" target="_blank">here</a>,
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and the Microsoft site <a href="http://ie.microsoft.com/testdrive/HTML5/87DOMContent-Loaded/Default.html" target="_blank">here</a>.
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</p>
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<br clear="all" />
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<pre class="code">
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function createGraph(func)
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{
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if(window.addEventListener) {
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window.addEventListener('DOMContentLoaded', func, false);
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} else {
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document.attachEvent("onDOMContentLoaded", func);
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}
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}
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</pre>
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<h4>Browser support</h4>
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<p>
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The DOMContentLoaded event is supported by the following browsers:
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</p>
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<ul>
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<li>Google Chrome</li>
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<li><a href="https://developer.mozilla.org/en/Gecko-Specific_DOM_Events" target="_blank">Mozilla Firefox</a></li>
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<li>Apple Safari</li>
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<li>Opera ASA. Opera</li>
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<li><a href="http://ie.microsoft.com/testdrive/HTML5/87DOMContent-Loaded/Default.html" target="_blank">Microsoft Internet Explorer 9</a></li>
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</ul>
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<h4>See also</h4>
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You might also be interested in <a href="async.html">asynchronous</a> chart creation as an alternative.
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</body>
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</html>
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