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Getting timestamp from mongodb id

How do I get the timestamp from the MongoDB id? Answer The timestamp is contained in the first 4 bytes of a mongoDB id (see: http://www.mongodb.org/display/DOCS/Object+IDs). So your timestamp is: and

How to capture the text of an Select option?

So I have this: How would I go about grabbing the ‘text’ of the options here? The problem is, it needs to be ‘dynamic’, in the sense I need the text for the currently selected option… I know a manual, static way of getting the text… That will grab “This is You”&…

Track mouse speed with JS

What’s the best way to track the mouse speed with plain JS/JQuery? I’d like to track how fast a user moves the mouse in all directions (up/down/left/right). Answer Sparklines has a nifty example of tracking mouse movement and graphing it. Their code is available in the source of their site startin…

document.getElementByID is not a function

I’m learning jQuery and was following a tutorial, a very strange error has perplexed me. Here’s my html : and The jQuery : When I add elements By hitting the return key, there’s no problem. But When I click the Submit Button then firebug shows this error I tried to use jQuery instead replaci…

Unlimited arguments in a JavaScript function

Can a JavaScript function take unlimited arguments? Something like this: I am trying: But this doesn’t work (output is only the first argument). Or the only way is: Thanks Answer There’s a weird “magic” variable you can reference called “arguments”: It’s like an array…

Backbone View events not firing

I am using Rails3 as my backend and Jammit to asset… Now I am trying to not compress and even package the assets. The simple event don’t get run, but the alert(‘asd’) int initialize is working as expected. I have already tried other kinds of events in other objects too, but it didn&#82…

Validating css color names

I’ve written a jQuery plugin that accepts css colors for some of its parameters. I want to validate them. If it was just a hex or rgb value I could do that with a regular expression, but how do I validate all 147 valid color names without bloating the plugin? I was wondering if there is some way of atte…

Image Enlarger Script

I am looking for one of those scripts that when you click a Thumbnail, it makes the picture englarge. I tried searching Google using a lot of terms, but cant find any. Where do I get these? Answer I believe one of these are what you are looking for. http://leandrovieira.com/projects/jquery/lightbox/ http://jq…