blocks|key|1258312|text|您可以在Debugging+JScript或Debugging+Script+with+the+Developer+Tools获取有关IE8+Developer工具栏调试的更多信息。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1258313|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/dd565628.aspx#dbugjscript|1|http://msdn.microsoft.com/en-us/library/dd565625.aspx^0|4|H|0|M|15|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

You can get more information about IE8 Developer Toolbar debugging at <a href="http://msdn.microsoft.com/en-us/library/dd565628.aspx#dbugjscript" rel="nofollow noreferrer">Debugging JScript</a> or <a href="http://msdn.microsoft.com/en-us/library/dd565625.aspx" rel="nofollow noreferrer">Debugging Script with the Developer Tools</a>.

blocks|key|1473051|text|这不会帮助您逐步执行代码或在出错时中断，但对于在所有浏览器上为您的项目获得相同的调试控制台来说，这是一个有用的方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1473052|myLog+=+function()+{
++++if+(!myLog._div)+{+myLog.createDiv();+}

++++var+logEntry+=+document.createElement('span');
++++for+(var+i=0;+i+<+arguments.length;+i%2B%2B)+{
++++++++logEntry.innerHTML+%2B=+myLog.toJson(arguments[i])+%2B+'<br+/>';
++++}
++++logEntry.innerHTML+%2B=+'<br+/>';

++++myLog._div.appendChild(logEntry);
}
myLog.createDiv+=+function()+{
++++myLog._div+=+document.body.appendChild(document.createElement('div'));
++++var+props+=+{
++++++++position:'absolute',+top:'10px',+right:'10px',+background:'#333',+border:'5px+solid+#333',+
++++++++color:+'white',+width:+'400px',+height:+'300px',+overflow:+'auto',+fontFamily:+'courier+new',
++++++++fontSize:+'11px',+whiteSpace:+'nowrap'
++++}
++++for+(var+key+in+props)+{+myLog._div.style[key]+=+props[key];+}
}
myLog.toJSON+=+function(obj)+{
++++if+(typeof+window.uneval+==+'function')+{+return+uneval(obj);+}
++++if+(typeof+obj+==+'object')+{
++++++++if+(!obj)+{+return+'null';+}
++++++++var+list+=+[];
++++++++if+(obj+instanceof+Array)+{
++++++++++++for+(var+i=0;i+<+obj.length;i%2B%2B)+{+list.push(this.toJson(obj[i]));+}
++++++++++++return+'['+%2B+list.join(',')+%2B+']';
++++++++}+else+{
++++++++++++for+(var+prop+in+obj)+{+list.push('"'+%2B+prop+%2B+'":'+%2B+this.toJson(obj[prop]));+}
++++++++++++return+'{'+%2B+list.join(',')+%2B+'}';
++++++++}
++++}+else+if+(typeof+obj+==+'string')+{
++++++++return+'"'+%2B+obj.replace(/(["'])/g,+'\\$1')+%2B+'"';
++++}+else+{
++++++++return+new+String(obj);
++++}
}

myLog('log+statement');
myLog('logging+an+object',+{+name:+'Marcus',+likes:+'js'+});|code-block|syntax|javascript|1473053|这是相当草率的，有点草率，但它是有用的，可以很容易地改进！|1473054|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

This won't help you step through code or break on errors, but it's a useful way to get the same debug console for your project on all browsers. 

<pre><code>myLog = function() {
 if (!myLog._div) { myLog.createDiv(); }

 var logEntry = document.createElement('span');
 for (var i=0; i &lt; arguments.length; i++) {
 logEntry.innerHTML += myLog.toJson(arguments[i]) + '&lt;br /&gt;';
 }
 logEntry.innerHTML += '&lt;br /&gt;';

 myLog._div.appendChild(logEntry);
}
myLog.createDiv = function() {
 myLog._div = document.body.appendChild(document.createElement('div'));
 var props = {
 position:'absolute', top:'10px', right:'10px', background:'#333', border:'5px solid #333', 
 color: 'white', width: '400px', height: '300px', overflow: 'auto', fontFamily: 'courier new',
 fontSize: '11px', whiteSpace: 'nowrap'
 }
 for (var key in props) { myLog._div.style[key] = props[key]; }
}
myLog.toJSON = function(obj) {
 if (typeof window.uneval == 'function') { return uneval(obj); }
 if (typeof obj == 'object') {
 if (!obj) { return 'null'; }
 var list = [];
 if (obj instanceof Array) {
 for (var i=0;i &lt; obj.length;i++) { list.push(this.toJson(obj[i])); }
 return '[' + list.join(',') + ']';
 } else {
 for (var prop in obj) { list.push('"' + prop + '":' + this.toJson(obj[prop])); }
 return '{' + list.join(',') + '}';
 }
 } else if (typeof obj == 'string') {
 return '"' + obj.replace(/(["'])/g, '\\$1') + '"';
 } else {
 return new String(obj);
 }
}

myLog('log statement');
myLog('logging an object', { name: 'Marcus', likes: 'js' });
</code></pre>

This is put together pretty hastily and is a bit sloppy, but it's useful nonetheless and can be improved easily!

How can we debug JavaScript with IE 8 ?

The JavaScript debbuging with Visual Studio doesn't work after an update to IE 8.

How to debug Javascript with IE 8

Visual Studio

如何使用IE 8调试JavaScript？在更新到IE 8之后，Visual Studio的JavaScript调试不起作用。

问如何使用IE 8调试Javascript
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