Can't Add Two Numbers Using .js File / Make It Possible?

Oct 1, 2010

I know this is probable a easy one for most of you...But this is my first Javascript. I am trying to write a code that will add two numbers entered by a user and calculate the sum. When I wrote the code inside the HTML it worked fine. But I have to use a .js file and call the function from there. And now my code does not work.code...

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Jul 30, 2011

I am starting to learn javascript and have been trying to make a image gallery. I was hoping to take an array of src and create a link for each one which when clicked on changes the src of an already existing img.My question though is how would I make the buttons for the numbers.I feel like a loop would work for this but I just can't seem to figure it out. I don't know how far off I am in thinking that through a loop I could create functions with a name plus the i variable.And in each function there could be something like:

Code:
document.images["destination"].src = images[i]
That would then produce an <a> with the href equal to the function name + "i" with the title being "i" as well.

Am I way off? How would I execute that? A little explanation about my code. I am going to be using a loop to add the images that will vary in amount for each page that is why I have the push function just for this test. And the document.ready is because I've been using some jQuery.

Code:
<script type="text/javascript">
$(document).ready(function(){[code]...............

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And Final product:

But it just doesn't work... I have no problem adding vars together in other areas and in many other instances but for some reason this won't work.

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Oct 16, 2010

I have JS object w/ following structure:

PHP Code:

json_data_object.422.name

thta should of out put me "hello world" as it is what it is in array but it does not as there is 422 there That's my ID from database, and I gotta use itNow, if I change that ID to something in letters say to "i" then everything is fine. ex

PHP Code:

json_data_object.i.name


That one would work, but then I have to chnge JSON string thta pulls data from DB and i cant really do that...So the question is how can I make 422 (numbers) works the same way as just string values in the array/object tree?

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[Code]...

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And yes, one more question, does the first part of the code need to be added in the <head> of the document or <body> ?

The code at the above URL is as follows:

<script type="text/javascript">
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[Code].....

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[code]....

I also try to send the xml with the following header but with no success

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As you can see, it takes a random quote from my xml file. But I have some long quotes which I want to line break like this:
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Sep 8, 2010

With my current javascipt code I have successfully implemented jQuery Form Plugin with my own page. It hooks forms and submits them, and upon either failure or success the proper function is fired (success and error options of ajaxForm) and the XML is handled.

However, whenever I add a <input type="file"> my code fails to determine wether or not an error occured, since the HTTP code of the request seems to be set to 0, and thereby somehow being treated as "success" event, which it clearly isn't, as the PHP returning the XML sends a HTTP 400. (Firebug confirms this.)

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Oct 8, 2010

I have two javascript files that execute some code. One is a default file loaded on all pages that executes some jquery for some bells and whistles for basic interactivity :

default_jquery.js
Code:
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//etc
//etc
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It works great. However, one of my pages updates a database via ajax and then rewrites and redisplays the updated table on a successful ajax return. For example, if someone adds something to their shopping cart, ajax queries the database, updates an entry, and then rebuilds the shopping cart to reflect the new item or quantity. The problem I was having was that after the rewrite of the table, I was losing the formatting that the above jquery file was implementing. So I just added the same jquery statements above to the success indicator of the ajax.

My ajax looks something like this:
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Code:
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type: "POST",
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This works fine, and reapplies the styles after the table has been redrawn. However, I don't like to have the same jquery statements in this file as I do in the standard jquery file above. So I just want to use a function. So on this buy_item.js page, I'm trying to call the make_fancy() function in the default_jquery.js file, but it doesn't work. I'm told that the make_fancy() function is not defined. I've tried including the default_jquery.js file which contains the make_fancy function before the buy_item.js file that calls it, but that doesn't work for some reason.

What I want is this for the buy_item.js page:
Code:
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type: "POST",
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...
...
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