In Javascript, one of the reliable ways to convert a string to a number is the Number constructor: var x = Number(’09’); // 9, because it defaults to decimal Inspired by this question, I started wondering — what is the difference between the above and: var x =new Number(’09’); Number certainly looks better, but it … Read more
Does anyone have any suggestions on how to edit an link in a contentEditable div? It would be ideal once the link is either clicked with mouse, or the cursor hits the link, that the a small prompt would pop up and allow the user to change the href property of the link. The prompt … Read more
I need to select an HTML radiobutton (deselecting any previously selected radiobutton) on my form, from within Javascript. How is this accomplished? Answer If you set the “checked” property to true on one radio button, the other button with the same name is automatically unchecked. Thus, document.getElementById(‘buttonX’).checked = true; will cause “buttonY” to be unchecked … Read more
Project I’m working on uses jQuery. I have a series of Ajax calls being made that load() other HTML fragments which in turn load() other fragments. The whole thing is confusing. I didn’t write the code. Is there any tool which will allow me to walk the callstack so I can figure what is calling … Read more
How can I create a shortcut for Greasemonkey for the firefox bookmarks, or, a shortcut that opens a website? Sorry, I want a greasemonkey script that contain some script that bind some key for firefox bookmark for example, press key 1 = open bookmark 1, and so on Answer I want a greasemonkey script that … Read more
I was creating a form validator for a client and ran into this weird error only in Internet Explorer (Explorer) 7/8…. ‘return’ outside of function, line 1, char 1 Of course, there was no code whatsoever on line 1. It was a simple commented statement. And there was nothing wring with it in any way. So … Read more
I have a problem with jQuery and @font-face. I need to work out the height of a <div>, which works fine, but then there is a small delay for the fonts to load and as soon as they do, the @font-face fonts were actually bigger than the fallback fonts, so the height is smaller than … Read more
I tried to access django template variable in html page inline javascript, it works fine. But if I include js using <script src=”..> then it dont work. Is this limitation or I’m doing something wrong? I really appreciate your help. Answer The included Javascript isn’t processed by the Django template processor on the server, so … Read more
I have a HTML page that contains a search box containing a number of textboxes. The first part of the search box is a SELECT dropdown list that contains a variety of report types. Each report type requires 1 or more of textboxes to be filled in to filter the query results. My goal is … Read more
The regex is constructed on the fly, but I’ve output it to firebug: (.{1,38})(+|$\n?) the error is invalid quantifier +|$\n?) I’m not sure where to start. The actual code is: var re = top.RegExp; var regex = new re(“(.{1,” + len + “})(+|$\\n?)”, “gm”); UPDATE: Per Bennor McCarthy’s instructions, I changed the code to this: … Read more
