What would be a good way of supporting custom mouse events? For example, I currently have: But instead of mousedown, I would like to create a custom event called mousedrag which would be a combination of mousedown and mousemove. Is there any recommended way of adding such a custom event? Answer Since Backbone…
Tag: javascript
What’s the right mindset in using jQuery’s event.stopPropagation()
I have two approaches in mind on how to apply jQuery’s event.stopPropagation(): Optimistic approach – By default, all event handlers are without stopPropagation(). stopPropagation() would be added to a handler only if there’s some unnecessary and undesired behaviour caused by event bubbling.…
Get callback in CoffeeScript with library
I am using the YouTube API to embed a video on a page. I call swfobject.embedSWF which embeds the video on the page, it works. When it is done loading, the API is supposed to call onYouTubePlayerReady. My question though is where do I have to place the callback in my class to get the function called? Here is …
How to implement a click event on mutually exclusive checkboxes in jQuery?
I have two checkboxes: I’ve made them mutually exclusive with: This works fine. But I also want to add additional click functionality to the ‘inside’ checkbox. I want it to enable/disable a textarea on the same form, so I’ve done this: So, if the ‘inside’ checkbox is checke…
NewLine escape character not working
We know that n is used to feed a new line in JavaScript. How should I use it for an output (in a for-loop): or Neither seems to work. Answer This has nothing to do with JavaScript. In HTML, all whitespace (including newlines) is collapsed and treated as a single space. To do a line break in HTML: Use <br&g…
Insert objects into other objects before the innerHTML with jQuery
Here is my current tooltip: Ignore the fact that it has inline CSS for a sec (sorry)… Ok so I need to insert 3 spans into it – 1.5 before and 1.5 after the HTML so it looks like this in the end: but of course don’t know the best way to do this… Essentially it would look like this:
Colspan & rowspan of header for slickgrid
I am just wondering if there is a way to provide colspan/rowspan to header and have multiple header rows. Answer There is a secondary header row that the grid provides. You can use that to do whatever you need to.Check here for more information
Getting current date and time in JavaScript
I have a script that prints the current date and time in JavaScript, but the DATE is always wrong. Here is the code: It should print 18/04/2012 15:07:33 and prints 3/3/2012 15:07:33 Answer .getMonth() returns a zero-based number so to get the correct month you need to add 1, so calling .getMonth() in may will…
How to Run cmd.exe with parameters from javascript
I am trying to write javascript which should run cmd.exe with a specified command line in it like this docs.google.com/file/d/0B7QHCoQDlEvKWUZSX3oxUDI2SDg/edit: I prepare a code after reading shellexecute method on microsoft site: but it does not insert command line in cmd.exe. Could anybody help me? Thank yo…
Markdown to convert double asterisks to bold text in javascript
i’m trying to make my own markdown-able textarea like Stackoverflow has done. The goal is to allow people to type **blah blah** in a textarea and have the output in a div be <span style=”font-weight:bold;”>blah blah</span>. I’m having trouble with the javascript to find and…