Canvas.drawImage Doesn't Work / Resolve This?
Jul 19, 2011
I'm new to javascript and html5.
I've been having problems with some simple(?) lines of code...
What I'm trying to do is to simply turn the canvas black and show a small gif on it. Upon executing initCnv(), the canvas turns black as it should, while the sprite image doesn't show up at all. I can't figure out what's going on, I scoured the code for syntax errors, even tried other image formats but to no avail. Image paths are also correct.
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Feb 24, 2010
Why doesnt the following code work in IE. There is an error on the same row as fillText. It says object doesnt support this property or method.
<html>
<head>
<title></title>
<script type="text/javascript" src="excanvas.js"></script>
</head>
<body>
<canvas id='chart' width='500' height='200'>
[Code]...
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Sep 27, 2010
I'm trying to create a new portfolio website and I've setup the framework the way I'd like to have it. I have some slight animation through the use of jquery, but because I want to preserver that animation availability (on click) I'm needing to do the amateur thing and swap content out in a div - similar to if I were to use an iframe *shudders*.
When you come into the site, you click on a link, and the nav moves up, and the content window opens, displaying the content for the link selected. When you click on the other links, the content simply changes. This all works as of current. The problem is though, once that new content is loaded into the main content display div, the assigned js and/ or jquery does not work.
The page is live, and can be seen here if you click on the 'about' link, it shows the about page, but has all of the information expanded. If you look at the about page directly,[url] it has some light js that allows the headings of the resume to expand and contract - BUT it doesn't work when loaded into the content window. [code]...
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Mar 16, 2009
I have a menu in which is applied typeface script. Typeface 0.11 version doesn't support hover on links. There is an experimental version but doesn't work very well for me, so i tried to implement hover by myself.
Problem is: hover works pretty well changing canvas context property fillColor and then calling fill(), but the stroke on hovered voice remains on another color. Difficult to explain, so i put some test code online: TEST CODE As you can see, passing with mouse on the menu voices triggers the hover and the element change, but remains bordered in red.
[Code]...
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Jul 23, 2009
ON my site, when viewed in IE7, the browser status bar never finishes loading....but it only does this in IE7. It also says things like (3 items remaining).
Is there a way to fix this so it finishes loading? Is something hanging up IE and not FF?
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Feb 23, 2010
Why doesn�t the following code work in IE, I use excanvas.js as told in other articles? excanvas is in the same dir as the html-file.
Code:
<html>
<head>
<title></title>[code].....
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Jan 1, 2011
I have make a javascript program that uses HTML canvas and I can't get it to work in Internet Explorer. I tried using excanvas and jqcanvas but had trouble getting them to work.
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Jun 20, 2009
If statement won't work / resolve this? Here is my code...
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Sep 5, 2011
I'm new to JS and I can't get this function to display. [code]...
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Jan 10, 2011
I have tried every possible way to work this Javascript on IE, but it doesn't work. It say's Error on Page in the status bar. [code]...
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Sep 17, 2010
I'm using a javascript quiz I copied from javascript.internet.com and it's not working right. I like what the quiz does (if it works right), so I want to try to make it work. When you click the button to get the results at the end of the quiz nothing happens.
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May 20, 2011
I am having problems getting the webshims plugin canvas polyfill to work. I get the following error in IE9 using IE7 mode: SCRIPT438: Object doesn't support property or method 'fillRect' problem.html, line 21 character 7 when I try to run this code:
[Code]...
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Aug 30, 2010
I just implemented the given javascript code of this website. it works locally but published it does not. what can be the reason of this problem. sorry i am a complete beginner of web design and dont even know what information to include here..
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Jun 5, 2011
Why the attached code won't work as expected. I hope comments in code page are self explanatory. code...
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Jan 17, 2011
I would like to access the create call back function. So far no luck. It appears the function is not getting executed. Any ideas where I may be going wrong? code...
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May 10, 2010
This is a makeshift sort function for a table. I want to replace a div contents with a javascript function call. It works fine if I define the individual case, but the general case doesn't work. The problem lies with the +divHold+ part. It never converges to the passed value on the 2nd iteration. This is my Div:
[Code]...
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Aug 30, 2011
I have a script that runs a sprite animation on the canvas, adapted from here: [URL] After wondering why it wouldn't work on Safari or older versions of Firefox, I saw this: [URL] and implemented the suggested shim. However, I'm still getting some errors that I can't explain for the life of me. To make this easy for everyone, I threw it in a jsfiddle: [URL]
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Jul 12, 2011
I want to delete some lines on the canvas that i have created in HTML5 (with the <canvas> tag). I know one solution and that is using clearRect() (give this function the HEIGHT and WIDTH of the canvas and you clears the whole canvas.).But i don't want to clear the whole canvas, i only want to delete a few lines made by the function lineTo().
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Jun 14, 2010
The "Permission denied" cross site issue.
I have to check from my external domain if a service is running on localhost:8080 of a local machine.
I'm using XMLHttpRequest to do it.
I'm checking a local-web-server, not a file.
Every browser doesn't work, but Firefox. So I'm looking for a work-aorund.
An iframe? a flash swf? an applet java? HTA applications?
A side question is, why does FF work? Because it's a local-web-server?
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Dec 10, 2011
I've this script:
When I press again the "a.item_add" link it doesn't work (doesn't fadein the div again). how can I "restart" the script ?
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May 19, 2011
I have created a multiple upload function using Flash and JavaScript. I have checked it in all webbrowsers (including Safari) on my computer (windows) and it works fine! Bravo for me! However, I have asked a friend to check my upload function on her Mac, but for some reason it fails. I have no Mac to test ... but does anybody know why the application fails in Safari running on on Mac OS? I understand this is a difficult question without knowing the exact error, but why does it work in Safari on Windows, but not in Safari on a Mac. Is Mac using other standards/conventions for JavaScript or something like that?
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Mar 25, 2010
this is a re-post of the last item in ':after in js?', below, but the problem is no longer about ':after': now there's an 'else if' statement that doesn't work. This works: it looks for 2 conditions in a class name, and changes a class:
[Code]....
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Aug 25, 2011
I've got a form textarea on my site, which after being submitted is stripped by my php file.
Then my javascript kicks in and does some analysis of the entered text. However everytime the user entered a hard return within the textarea my javascript gives me an error 'tekenreeks niet afgesloten' which means something like 'string is not closed'.
Therefore I decided to replace all occurences of chr(10) and chr(13) with ok2 (just some random characters), I did this with php which worked fine, and I didn't get the javascript error.
However I need to reshow the entered text (original) to the user, so I need to restore the old values. I tried result.waarde.replace('ok2', 'chr(13)'); but it doesn't work, as it still displays ok2.
I'm no expert in javascript, but how can I replace those characters by the hard returns?
Oh yeah I'll show some more coding, perhaps the error can be found there code...
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Nov 11, 2011
I've done some small adjustments to my clients site, but it won't show properly in IE (the shadowbox js at least.). I thought js was accepted in all newer browsers.why it doesn't work?I use mootools, and shadowbox/corners and rightclick blocker.Is it generally a 'bad thing' to use js in webpages I want everyone to view in the same way? I tried the same effects with CSS but it's not supported in the same way corss-browser, unfortunately. The 'no selection' CSS class I have on the site is also not accepted in IE.
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Feb 23, 2011
how can I get/set text from <style> tag? innerHTML doesn't work in IE 7 (8?) and neither does
document.getElementsByTagName("style")[0].firstChild.nodeValue = "";
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Jul 30, 2009
I am having problem making to work 'insertBefore' on IE 6. I have tried to find online solutions but I faild to do so. It works fine on Safari, FF, Opera, but not IE 6. Actually I am trying to insert new '<div>' into document body in front of anything else( this element will appear just after <body> tag ).
Here is a code:
Code:
function subScreen(){
// get actual content of body
var bodyDoc = document.body;
[Code]....
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