Internet Explorer 7 Javascript Error

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Script Error Firefox

Debugging JavaScript in IE7 up vote 159 down vote favorite 69 I need to debug JavaScript in Internet Explorer 7. Unfortunately, its default debugger doesn't provide me with much information. It tells me the page that the error showed up on (not the specific script) and gives me a line number. I don't know if that is related to my problem. It'd be internet explorer 11 script error keeps popping up nice if it could narrow down the error to a line number on a specific script (like Firebug can). Is there an addon to debug JavaScript in IE7 like Firebug does in Firefox? Thank you! See also: Does IE7 have a “developer mode” or plugin like Firefox/Chrome/Safari? javascript internet-explorer-7 share|improve this question edited Jul 8 '10 at 0:14 asked Dec 12 '08 at 1:33 alex 267k128651806 add a comment| 18 Answers 18 active oldest votes up vote 89 down vote accepted Web Development Helper is very good. The IE Dev Toolbar is often helpful, but unfortunately doesn't do script debugging share|improve this answer edited Jan 20 '14 at 10:16 Simon 1561218 answered Dec 12 '08 at 1:48 Bob 52.9k2398110 4 Worth noting, perhaps, is that you have to turn "disable debugging" off in the advanced options. –Dan Rosenstark Aug 25 '11 at 18:45 23 I don't see any script debugging options in the IE Dev Toolbar, and the lastest version of Web Development Helper isn't working, even after changing my advanced preferences and restarting IE7. –stevebot Aug 30 '11 at 16:14 2 I just installe

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come say hello. Apostrophe 1 5 Released Surfing The Retrowebs View Archive » 04.A Debugging Internet Explorer 7 with... Internet Explorer 8 Thomas Boutell Tom invented PNG files. He currently http://punkave.com/window/2011/01/18/debugging-internet-explorer-7-with-internet-explorer-8 creates beautiful open source web tools here at P'unk Ave. Published Tue, Jan 18 2011 Tags Development cross-browser css internet explorer javascript windows Sadly, we are stuck with IE7 for a while yet. https://ragrawal.wordpress.com/2007/10/25/top-5-reasons-why-ie7-is-complaining-about-your-javascript/ Market share has plummeted below the market share of IE6, but it is still over 10% and more than relevant. Although we draw the line at allowing users to administer Apostrophe sites in script error IE6 (of course it supports IE6 very well for the end user experience), IE7 ships with Vista. And Vista is still being deployed today and is sometimes institutionally mandated. So it isn't easy, yet, for some of our potential clients to upgrade even if they want to. Our expectations are not high. All we really want are accurate line numbers for JavaScript errors. Tragically, IE7 is an error has notoriously terrible at this, never telling you which .js file is involved or getting the line number right. I've read quite a few posts about debugging IE7 javascript and CSS issues. Most of them focus on using various script debugging tools that are themselves obsolete or difficult to obtain. Finally I found a mention of the IE7 mode built right into IE8. And it's awesome, as long as you don't trust it blindly. Here's how it works: 1. Launch IE 8 (you might have guessed this part) 2. Pull down the Tools menu 3. Pick "Developer Tools" A Firebug wannabe pops up on your screen. It's not Firebug, but it's pretty useful, in a "dammit this bug only happens in Internet Explorer" kind of way. But check out the menu on the top. See "Internet Explorer 8?" Pull that menu down and select "Internet Explorer 7." Now refresh that pesky page with the JavaScript that only fails in Internet Explorer 7. When the error occurs (and for our bug at least it did occur once we activated IE 7 mode), double-click the little warning icon next to "there are errors on this page" in the time-honor

URL in theview → Top 6 reasons why IE7 is complaining about yourjavascript Posted on October 25, 2007 by Ritesh Agrawal This blog post is now moved over here. 1. Source: Script tag is the first element of the page: The html page returned by the server contains "script" tag as the first element of the webpage. This problem occurs mostly in pages returned as a result of ajax call. Solution: Introduce a fake div tag as the first element of the webpage. You can set the height of the div tag to zero so as to avoid any visual changes in your page. eg . < style="height: 0px">&nbsq;< /div > 2. Source: Comma after the last element of an array: If you leave a comma after the last element of an array, it will raise an error in IE7 but not in firefox. For eg options = {‘item1′:'val1', ‘item2′:'val2',} will raise an error in IE7 Solution: It is obvious. Remove the damm comma. 3. Source:  Firebug console command: If you are using firebug "console" or any other command for debugging your javascript in Firefox and left these commands in your javascript, then IE7 will raise an error warning. Solution: Again its obvious. Remove all the commands that are related to firebug javascript debugger. 4. Source: Trying to access non-existing identifier (id): if the javascript tries to access a non-existing element, it will break your javascript code in IE7. Solution: Its difficult to identify this problem in IE7 as IE7 only reports the problem but not the element name that it is trying to find. However, it will give you a line number and character number as a part of the warning which can help in narrowing you search for the missing element. 5. Source: Defining variable without "var":I was surprised to find this one. But within my document block for jquery, I defined a variable without "var" modifier and this raised an issue in IE7. Here is how my document block was originally coded $(document).ready(function(){ library = "hello"; message = "world"; if("form#" + library).submit(…. …. ); }); Solution: Use "var" modifier to define all you javascript variables. In the above case, after I added "var" modifier in-front of library and message variable, everything seemed to be working fine. 6: Source: