1 <?xml version="1.0"?>
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2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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3 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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5 <title>log4javascript lite demo</title>
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6 <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
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7 <meta name="author" content="Tim Down - tim@log4javascript.org" />
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8 <meta name="description" content="log4javascript, a logging framework for JavaScript based on log4j" />
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9 <meta name="robots" content="all" />
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10 <link rel="stylesheet" type="text/css" media="screen,print" href="../main.css" title="Default" />
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11 <script type="text/javascript" src="../js/log4javascript_lite.js"></script>
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12 <script type="text/javascript">
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14 var log = log4javascript.getDefaultLogger();
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15 log.debug("This is debugging message from the log4javascript lite demo page");
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17 var words = ["Boothroyd", "who", "took", "over", "two", "years",
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18 "ago", "and", "continues", "to", "maintain", "that", "the",
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19 "club", "are", "building", "for", "the", "future", "made",
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20 "six", "changes", "and", "gave", "a", "first", "Premiership",
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21 "start", "to", "on-loan", "Brazilian", "midfielder",
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22 "Douglas", "Rinaldi", "Darius", "Henderson", "and", "Steve",
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23 "Kabba", "were", "two", "of", "the", "players", "restored",
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24 "to", "the", "home", "side", "and", "were", "responsible",
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25 "for", "giving", "Chelsea", "an", "uncomfortable", "start",
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26 "which", "set", "the", "pattern", "for", "the", "match"
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31 function generateRandom() {
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32 var numberOfEntries = parseInt(document.getElementById("numberOfLogEntries").value);
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33 for (var i = 0; i < numberOfEntries; i++) {
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34 var numberOfWords = 1 + Math.floor(10 * Math.random());
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35 var entryWords = [];
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36 for (var j = 0; j < numberOfWords; j++) {
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37 entryWords.push(words[Math.floor(Math.random() * words.length)]);
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39 var entryMessage = entryWords.join(" ");
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40 var levelNum = Math.floor(Math.random() * 6);
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43 log.trace(entryMessage);
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46 log.debug(entryMessage);
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49 log.info(entryMessage);
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52 log.warn(entryMessage);
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55 log.error(entryMessage);
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58 log.fatal(entryMessage);
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64 function generateObjectExpansion() {
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76 log.debug(debugObj);
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79 function generateError() {
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81 throw new Error("Made up error");
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83 log.error("Logging an error!", ex);
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89 <body onload="loaded = true; document.getElementById('enabled').checked = true;">
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90 <div id="container" class="nonav">
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92 <h1><a href="/docs/index.html">log4javascript</a></h1>
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96 <a class="navitem" href="http://sourceforge.net/projects/log4javascript" target="_blank" title="Download (opens in new window)">download</a>
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97 | <a class="navitem" href="../docs/index.html">docs</a>
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98 | <a class="navitem" href="../docs/quickstart.html">quick start</a>
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99 | <a class="navitem" href="../docs/manual.html">manual</a>
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100 | <a class="navitem" href="index.html">demos</a>
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101 | <a class="navitem" href="http://www.timdown.co.uk/log4javascript" target="_blank">website</a>
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103 <h1>log4javascript lite demo</h1>
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105 <em><strong>NB.</strong> Since the demo below uses pop-up windows, you will
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106 need to disable any pop-up blockers you may have for it to work.</em>
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109 This demo demonstrates the lite edition of log4javascript.
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112 Enter a log message below and click on one of the buttons to log
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113 your message at your desired level.
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115 <div class="example">
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116 <input type="text" id="logText" value="Put log message here" />
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117 <input type="button" value="trace" onclick="log.trace(document.getElementById('logText').value)" />
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118 <input type="button" value="debug" onclick="log.debug(document.getElementById('logText').value)" />
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119 <input type="button" value="info" onclick="log.info(document.getElementById('logText').value)" />
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120 <input type="button" value="warn" onclick="log.warn(document.getElementById('logText').value)" />
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121 <input type="button" value="error" onclick="log.error(document.getElementById('logText').value)" />
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122 <input type="button" value="fatal" onclick="log.fatal(document.getElementById('logText').value)" />
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124 Generate <input type="text" size="5" id="numberOfLogEntries" value="50" /> random log entries
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125 <input type="button" value="go" onclick="generateRandom()" />
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127 <input type="button" value="Log exception" onclick="generateError()" />
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128 <input type="button" value="Log example object" onclick="generateObjectExpansion()" />
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130 <input type="checkbox" id="enabled" onclick="log4javascript.setEnabled(this.checked)" checked="checked" /> <label for="enabled">logging enabled</label>
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134 <br class="clear" />
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136 <span class="externallinkinfo">
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137 <strong>NB.</strong> All external links open in a new window.
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139 Written by Tim Down. <a href="mailto:tim@log4javascript.org">tim@log4javascript.org</a>
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141 log4javascript is distributed under the <a href="http://www.apache.org/licenses/LICENSE-2.0.html"
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142 title="Apache License, Version 2.0 (opens in new window)" target="_blank">Apache License,
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