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  • how to set form action through javascript?

    - by m.u.sheikh
    I have an html form whose action should be set dynamically throught javascript. How do i do it? Here is what i am trying to do: <script type="text/javscript"> function get_action() { // inside script tags return form_action; } </script> <form action=get_action()> ... </form>

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  • jQuery/Javascript to replace broken images

    - by Dan Lord
    I have a web page that includes a bunch of images. Sometimes the image isn't available so a broken image is displayed in the clients browser. How do I use jQuery to get the set of images, filter it to broken images then replace the src? --I thought it would be easier to do this with Jquery, but It turned out much easier to just use a pure javascript solution. i.e the one provided by Prestaul

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  • Get the largest value from Json object with Javascript

    - by neilc
    Hi This should be an easy one. I just cant figure it out. How do I get the largest value from this piece of JSON with javascript. {"data":{"one":21,"two":35,"three":24,"four":2,"five":18},"meta":{"title":"Happy with the service"}} The key and value I need is: "two":35 as it is the highest thanks

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  • Crash firefox using Javascript

    - by user324675
    I'm part of a testing team and have been tasked with "behaving badly" using javascript in a firefox browser. I've tried these methods to take the browser down http://www.yuki-onna.co.uk/browserdeath.html but none of them do anything worse than cause a popup asking to shut down the script. Any other ideas?

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  • JavaScript computer algebra system

    - by Jonas
    I am looking for a simple computer algebra system (cas) for JavaScript but I can't find anything with google. I only need basic functionality: simplify expressions to some canonic form. Ability to check if two expressions are the same, i.e., a(x+y) == ax+ay parse mathematical formulas. I want it to be able to read expressions like ax²+4x. solve simple equations etc. Do you know of such a library?

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  • Invoking javascript in iframe from parent page

    - by DrJokepu
    Basically, I have an iframe embedded in a page and the iframe has some javascript routines I need to invoke from the parent page. Now the opposite is quite simple as you only need to call parent.functionName() but unfortunately I need exactly the opposite of that. Please note that my problem is not changing the source url of the iframe, but invoking function defined in the iframe.

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  • To get which function threw exception in javascript

    - by uzay95
    I am trying to create a Exception class to get and send errors from client to server. I want to catch exception in javascript function and push the details to the web service to write to database. But i couldn't get how to get which function/line throwed this exception. Is there any way to solve this?

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  • Display lable character by character using javascript

    - by Muhammad Sajid
    Hi, I am creating Hang a Man using PHP, MySQL & Javascript. Every thing is going perfect, I get a word randomly from DB show it as a label apply it a class where display = none. Now when I click on a Character that character become disable fine which i actually want but the label-character does not show. My code is: <link href="style.css" rel="stylesheet" type="text/css" media="screen" /> <?php include( 'config.php' ); $question = questions(); // Get question. $alpha = alphabats(); // Get alphabets. ?> <script language="javascript"> function clickMe( name ){ var question = '<?php echo $question; ?>'; var questionLen = <?php echo strlen($question); ?>; for ( var i = 0; i < questionLen; i++ ){ if ( question[i] == name ){ var link = document.getElementById( name ); link.style.display = 'none'; var label = document.getElementById( 'questionLabel' + i ); label.style.display = 'none'; } } } </script> <div> <table align="center" style="border:solid 1px"> <tr> <?php for ( $i = 0; $i < 26; $i++ ) { echo "<td><a href='#' id=$alpha[$i] name=$alpha[$i] onclick=clickMe('$alpha[$i]');>". $alpha[$i] ."</a>&nbsp;</td>"; } ?> </tr> </table> <br/> <table align="center" style="border:solid 1px"> <tr> <?php for ( $i = 0; $i < strlen($question); $i++ ) { echo "<td class='question'><label id=questionLabel$i >". $question[$i] ."</label></td>"; } ?> </tr> </table> </div>

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  • Random Color generator in Javascript

    - by n00ki3
    Hi there, i am not an Javascript and i need a little help. Given this function , i want to replace the color with an Random Color generator. document.overlay = GPolyline.fromEncoded({color: "#0000FF", weight: 10, points: encoded_points, zoomFactor: 32, levels: encoded_levels, numLevels: 4 }); Can anyone help me ?

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