[javascript] Forum Topics

This tutorial explains the mathematics behind collision detection using bounding circle method. Source code and online demo is available with the tutorial. [Bounding Circle collision detection: KineticJS/HTML5 Tutorial](http://www.gamingthinktank.com/2013/07/23/bounding-circle-collision-detection-kineticjshtml5-tutorial/)

Been trying to get this working for a few hours now but can't seem to get a result. Any advice would be welcomed with open arms! I'm using the JQuery Validation Plugin: [http://jqueryvalidation.org/validate/](http://jqueryvalidation.org/validate/). I have included the following into my file: <script src="assets/plugins/jquery-1.10.1.min.js" type="text/javascript"></script> <script src="assets/plugins/jquery-migrate-1.2.1.min.js" type="text/javascript"></script> <script src="assets/plugins/jquery-validation/dist/jquery.validate.min.js" type="text/javascript"></script> …

I have a list of categories with different titles from A-Z. I want to sort the categories alphabeticaaly on clicking a particular alphabet... I have used jquery and ajax.. Alphabetics placed are as follows <?php $a=range("A","Z"); foreach($a as $char){ echo "<a href='javascript:void(0)' class='faq_letter' rel='".$char."'>".$char."</a>"; } ?> The script is as …

Hi, I have created an order form with the required fields in that i have two options, one to access the site for free and the other to be a member which requires payment. On the drop-down, I have set the member option to go to paypal page. My question …

Ever since I started looking into JavaFx, I've been wondering about the future of desktop GUI development. A lot of platforms are using a psuedo HTML5/Javascript/CSS3 for GUI development now, incuding (I believe) Windows 8. Even JavaFx seems to do away with the idea of "drawing" the interface element. What …

I have this simple javascript function which counts the number of characters the user is able to enter in a text box/ text area: http://jsfiddle.net/9XhDK/ how can I cater for any backspaces? (I a user deletes a character the number of characters left increases by 1)? Thanks

Hello there, I'm not sure whether to post this problem in this forum or in Javascript forum. I have a frameset.It has two frames.Left frame and Right frame. The left frame has drop downbox and has a lot of selection conditions. The right frame has a datagrid which takes the …

Is there a way for JSP to get value from id element in a html? Just like what javascript doing document.getElementById.value

Hi guys, I don't even know where to start, the ideea is that I want to develope an API that responds with certain data, but I don't have a clue for what to look. The ideea is that there is a panel like google analytics but with no stats, but …

I need to calculate the number on selections. Im using the value as reference I dont need my function to add the values I need to add the number of fully successful, exceptional, or need imporvements. Here is a code I have but it calculating the total based on the …

This may be the ugliest bit of javascript you've ever seen... but can someone tell me why the elements come through un-styled even though I am clearly writing to divs that are classed and the stylesheet is pulled in? Definitely falling victim to some noob error here, but which one? …

I have problem with markers, actually with clicking on it. I want to achive that, when i click on a marker, on a left side in a div show name of that marker. Problem is that I always get name from last marker. I guess, that is a problem in …

Hi Can anyone please help me.Im new to coding.Sorry i dont have any code to post.I would try to explain my problem in words.can please some one help me. I have a jsp in which i'm populating a table.In that table i have a column for checkboxes for each row.when …

Hi all! I'm trying to validate this form: <form action="<?php $_SERVER['PHP_SELF'] ?>" class="horizontal-form" name="settings" id="settings" method="post"> <div class="row-fluid"> <div class="span4 "> <div class="control-group"> <label class="control-label" for="firstName">First Name</label> <div class="controls"> <input type="text" id="fn" class="m-wrap span12" value="<?php echo $userInfo['fn']; ?>"> </div> </div> </div> </div> </form> I've added my validation js files.. These …

Ok seriously this is driving me insane. I am using firefox and i cannot get this image to stay on screen. Im trying to make the image move when i press keys but any keybinding makes my image vanish. I guess i just suck idk. <html> <canvas height="480" id="gamescreen" width="640"> …

I'm building a Phonegap app, and am using the Facebook Javascript API to log users in. My code is as follows: FB.login(function(response) { if (response.authResponse) { console.log('Welcome! Fetching your information.... '); FB.api('/me', function(response) { console.log('Good to see you, ' + response.name + '.'); }); } else { console.log('User cancelled login …

I'm trying to get [grunt-jsdoc-plugin](https://npmjs.org/package/grunt-jsdoc) to work, and I'm having a small problem. In my console, I keep getting: Running "jsdoc:dist" (jsdoc) task Warning: Cannot read property 'src' of undefined Use --force to continue. Aborted due to warnings. In the grunt-jsdoc-plugin documentation, it says: src : an array of pattern …

I made the following code to replace form fields in a page that I can't edit but only manipulate. However, the code does nothing. In chrome console when I print a variable it works fine. The code is below: //GET val from drop DROP DOWN var office_id = FieldIDs["OfficeName"];//Gets the …

I've got a web page that allows the user to create a canvas that can be as much as 50,000 pixels on a side (they're maps). I draw everything on a canvas, scaled to the user's viewport. Unfortunately, you can't print a canvas; you have to convert it to an …

On selection from drop down in few cases the label above the drop down (label being attached dynamically) disappears here is the code $.ajax({ dataType: "html", url: app.util.appendParamToURL(options.url, "format", "ajax"), data: options.data, type: options.type }) .done(function(response) { // success if (options.target) { $(options.target).empty().html(response); } if (options.callback) { options.callback(response); } }) …

Hello there guys! :) It's been quite a while since the last time I've been here. I am currently working on topics different from my usual, and I have found myself baffled by a problem. So, here goes: I am working on a web application which collects user fiscal data. …

I have this form where I pass select values to an input field. Is it possible to pass this results in to a td instead of an input field? here is the code http://jsfiddle.net/jencinas69/ytXnC/

My intention is to build a conference booth map. Let's say I have drawn a square on an image file with a fill color of white. I need to have the ability to change the fill color. How can I programatically do that via javascript? Or is there any software …

Greetings! My name is Henry, I'm a 24 year old software engineer student and am currently doing my Masters. I'm studying in Portugal though I'm from Birmingham, England (I pay 1000€/year in tuition fees here, it would cost me an arm and a leg in England) and I absolutely love …

Hi guys, I am struggling with regular expression.Can you please suggest the regular expression for the below patterns. I have tried many times with several patterns but still i could not resolve the below patterns. 1. Must contain at least one alpha character (i.e. a, b, c etc,) 2. Only …

Hi, Can anyone tell me how to get instagram api for displaying images in website. Ex: instagram.com/miniusa //getting images of miniusa Thanks in advance

Hi All: I have a challenging jQuery XML task I'm trying to accomplish as follows: I have an XML structure as follows: <nav_data> <outline> <links> <slidelink slideid="_player.6LjVRsWzPla" displaytext="Scene 1" expand="true"> <links> <slidelink slideid="_player.6LjVRsWzPla.6GWiXuWmXyn" displaytext="Fundamentals" expand="true" /> <slidelink slideid="_player.6LjVRsWzPla.6gxk7XqbaT8" displaytext="Closed Captioning Example" expand="true" /> <slidelink slideid="_player.6LjVRsWzPla.5rPNkwvz8u2" displaytext="Another Cationing Example" expand="true" /> …

Hi, I have a split container in my frame where the right container has a Jtable and left is filled with different collapse panels displaying detailed data from different parts of the table. If the user clicks on a column then a collapse panel expands and display the information If …

i want to do something like this how do you do it? <?php $meat="cow"; <script type="text/javascript"> document.write($meat); </script> ?>

Hi all, I'm currently looking at this [JSFIDDLE](http://jsfiddle.net/MH8e4/6/) and it's 50% of what I need. I have a series of Accordions on my page (a list of courses). What I would like to do is assign these accordians to categories so that when a checkbox is pressed with the id …

hi everyone, anyone can tell me where i can get tutorial to learn JSF framework with java? I am currently using myeclipse for spring.

Hi, I try to do the examples in these pages but none works. When i run, it shows "Error" word on the status bar of my browser. What do you think it doesn't run? Thanks [url]http://www.w3schools.com/PHP/php_ajax_xml.asp[/url] [url]http://www.w3schools.com/PHP/php_ajax_database.asp[/url] [url]http://www.w3schools.com/PHP/php_ajax_responsexml.asp[/url] [url]http://www.w3schools.com/PHP/php_ajax_livesearch.asp[/url]

I want to have a bullet precede any text typed. When an [Enter] key is pressed, a new line starts with a bullet preceding whatever new text is typed. I've seen this done at fargo.io and workflowy.com and need to know how they do it!

Hi all, My local development project has been working perfectly for...6 days now? I haven't even touched the login/register page for 2 days+ yet all of a sudden all JavaScript has seized up! I've been using the page to login all day and only now has it stopped working. I'm …

Hello, I am new to Javascript and HTML. Trying to learn through web. I want to make an image map. Example: Like our desktop start button I have a hotspot.m When we click on that , the second image should display on top of existing image at a fixed position. …

I'm currently having an issue while trying to pass Data to my controller in my MVC application. Here is my code $('#idNumber') .autocomplete( { source: "/@Resources.Global.Lang/Client/AutoComplete?ID=" + $("#idNumber").val() + "&country=" + $("#country").val(), select: function (e, ui) { var temp = $("#idNumber").val(); var temp2 = $("#country").val(); $.ajax({ type: 'POST', url: "/@Resources.Global.Lang/Client/searchClientByID?ID=" …

<html> <head> <title>Form Sheet</title> <style> </style> <script type="text/javascript"> </script> </head> <body> </body> <form name="formsheet" action="grade.php" method="post"> <table width="300" border="5"> <tr> <td>FirstName:</td> <td><input type="text" id="fname" name="fname"/></td> <tr> <td>SurName:</td> <td><input type="text" id="sname" name="sname"/></td> </tr> <tr> <td>Age:</td> <td><input type="text" id="age" name="age"/></td> </tr> <tr> <td><input type="radio" id="gen" name="gen" value="Male"/>Male <input type="radio" id="gen" name="gen" value="Female"/>Female</td> …

Hey all, I'm trying to make a link outside of the nav-tabs class, specifically in a paragraph, that changes to another tab on the same page. Granted that I know this requires JS and that I know nothing of JS (Another book i ordered this morning :) ) here is …

hi guys, is there a way to create in Javascript or Jquery to have a search box and search for the data within the HTML page. In the HTML page, there's a lot of links. Basically the HTML page looks like this: File No 1 - Link to File No. …

How can I get the mouse position even when an event hasn't been performed, eg. I haven't clicked or left window, etc. Kind of like mousing over something. I am currently using a class that implements MouseListener, MouseMotionListener for events such as clicking and releasing but I would like a …

Hello, I am developing a web site with codeigniter 2.1.3 I am using an ajax call to post data to my controller, but for some reason the data is not being sent. I am using ajax calls all over the application and they all work well just not this one. …

Hello ! This code below should display me all the alert boxes but , unfortunetly it display only 3 ( without the alert inside the $.post function ) and i really don't see a problem in my code .. What is wrong? JS var uname = name.val(); alert( uname ); …

Hi Everyone, I have some issue due to lack of my programming knowledge. I wanna find what selected checkboxes below form was. So I don’t have good way to solve this. Quoted Text Here Thank you all

Here is my code, the problem I have is the alert just isnt showing, however if the alert is put in the while loop it shows but outside the loop it doesn't could someone explain why? <script> function GetText() { var name = document.getElementById("name").value; var age = document.getElementById("age").value; var house …

When I try to search kinetic.js tutorials, I mostly get links to http://www.html5canvastutorials.com or http://www.kineticjs.com/ . There are example in those sites, but not much explainnation. Documantation is also very poor comparing to lets say jquery documentation. There are also other sitesm but as I see they most often post …

Create Snake game using KineticJS and HTML5 Canvas [Tutorial Part 1: Snake game using HTML5 and KineticJS](http://www.gamingthinktank.com/2013/04/28/tutorial-part-1-the-concept-snake-game-using-html5-canvas-and-kineticjs/) [Tutorial Part 2: Snake Game using HTML5 and KineticJS](http://www.gamingthinktank.com/2013/06/03/tutorial-part-2-snake-game-using-html5-canvas-and-kineticjs/)

Hi guys, Working on one of my web projects recently I came accross a need for presenting some readonly data as part of the user input form. The readonly property of the input tags seem to work as expected for other types of input control, but not for the checkbox. …

I have inserted a rich text editor to an textarea, but I get the following error after submitting my form: [CODE] Notice: Undefined index: msgpost in C:\wamp\www\mycms\administrator\page_new_parse.php on line 15 [/CODE] I have changed the textarea name, and the id to "msgpost" as explained on their website. I have also …

I have a link leading to 1 of 6 articles displaying on my website. Every 6 seconds, the text link switches to the next. I'd like for the order to be randomized, though, so that each article has the same likelihood to be chosen. Can anyone help? My code on …

Hello everyone! I have a question .. i have a js file (script.js) and a php file (script.php) , in the php file i have a code that verify a user and in the script js i have this: var uname = name.val(); $.post('HERE IS THE QUESTION' , {names:uname} , …