Which Is Faster Javascript Or Actionscript
Dec 7, 2007
I'm trying to select client side language to learn. For some time i wanted to learn Javascript, but when i tried writing first script which was so simple, i saw that it has so much problems. I thought of flash, and read few tutorials online. It's pretty simple but powerful language.
I know that probably worst feature of flash is that it's not included by default in your browser, but since youtube and other video sharing services i think that flash players on browsers are drastically more installed then before, and that almost everybody has it.
Now, i'm planning to create chat for my personal website, and i saw Ajax chats, and Flash chats. Since i don't have experience with any of the scripts i'm wondering which code is faster Properly written Javascript, or Actionscript.
Also, which of these languages are better for me to learn. I'm learning web programming as hobby so don't use money as argument. But which of those two can be used for creating fun, dynamic, fast and safe programs easily
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Jan 4, 2011
So I have a menu animation that I built in flash/actionscript 2.0 and when you click on menu the header pulls down to reveal the menu, then you can click on menu again to push the header back up and hide the menu. I have a <div> below the header that I am trying to "push" down and "pull up" with the menu animation so what I did was in the actionscript button I used
on(release) {
getURL("javascript:moveDown();");
menuanim.gotoAndPlay(2);
}
That's the code for "pulling" the menu down, it's pretty much the same for "pushing" it up but calling for "moveUp()" instead of moveDown().So in my html I am using...
<script>
function moveUp() {
$("#moveme").animate({
[Code].....
the div is labeled as <div id="moveme" style="margin-top: -250px; width: 920px; height: 1000px; overflow: visible;"> if I use a regular javascript function that just moves the div it works, but looks horrible, as soon as I try to animate it it does nothing at all. I have tried using different sytax's likemarginTop: "-325px" and even "margin-top": "+=-325px" but nothing is working, it just will not move.
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Feb 7, 2010
I have now learned how to write to and read from .txt files on my server via php, but is it possible to do this with JavaScript? Like that JavaScript writes to the .txt file every second without needing the user to refresh the page to write or read .txt file (with php). 2: Do the same thing with ActionScript 2/3.
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Oct 24, 2011
Something similar to the navigation menu on [URL].. You hover over a link and a box appears below that spreads the width of the menu itself. Friend of mine told me it was using actionscript but I have no idea how to create a drop down box (not menu). My friend told me Dreamweaver has the ability t create a drop down box but I have no idea.
Also does anyone know how to create an image slider similar to the one on that site? A slider that fades from one image to the next with the navigation arrows on the left and right side and the dots on top left?
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Dec 26, 2006
I want to implement the template for a object output. I have two methods as follow:
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May 4, 2010
I have a problem on my current project. Animations are very slow on IE8 but when I turn the compatibility mode on, it become very fast.
FF, Safari and Chrome run it fast too. I don't understand how my site can be slower on IE8 than on IE7 O_o
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Jul 23, 2005
I've developed a calendar program in javascript, and up until now I've
done most of my testing using Mozilla and Firefox. Everything works
fine, but when I try to use Internet Explorer my response time is
sometimes 50 times slower than using Mozilla.
I know I haven't given you much to go by, but I'm not looking for an
answer so much as an approach to debugging the problem. For example,
does anyone here know of a good web site which deals with
browser-specific javascript performance issues?
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Jun 3, 2010
How do I make my Script load faster?
Is there Code that will make my Script load faster,
(so that it won't take so long to view)
If so, can someone show me how to incorporate it into my Example Script
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Jun 27, 2011
I am currently doing a photography site.I would like to do a 'portfolio' page, but would like to pre-load the images so that they appear on-screen faster.Do I need to connect code to <body onload>?
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May 20, 2009
I'd like to know which is faster or have a better performance between :
Code JavaScript:
if (flag) {
var v = "something";
} else {
var v = "else";
[Code]...
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Sep 12, 2010
I built up 2 codes, which do the same cause. but which one would be most efficient? or maybe which one would be best compatible for browsers?
CODE 1 :
- this code allows for me to use an #id
CODE 2
- using the REL
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Aug 11, 2010
works ok, but my alert box comes in really slowly, then bounces. I want it to appear faster and to also appear after exactly one hour. I don't think that works right either. What do I need to change in order to do this?
[Code]...
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Jan 18, 2010
Is it possible using slideToggle to set a faster speed for hiding than for showing?
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Jan 10, 2011
I'm writing a blog post that uses multiple videos from YouTube and Yahoo Video, but I'm not happy with how long it takes the page to render. Apart from using an ajax-y method to load the videos, are there any tricks that would make the page load quicker with multiple videos from different sources?
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Nov 24, 2010
Anyone loading a bunch of CSS or Javascript via <link> tags on a web page knows about "blocking": where the browser stops the loading of the page because it has to go fetch (and read/parse) an external file. If you have a lot of these, or even if you don't and the user has a slow connection, you have a slow page. Users hateses teh slow pages, hatses them.
At the 2010 Fronteers Conference, Stoyan Stefanov gave a talk on Progressive Downloads and Rendering, where he listed some tricks to get around blocking by Javascript or other external files to make page load speed up. One trick was adding a <script> tag in the body (near the bottom, so after the important stuff has loaded) which adds a <script> tag to the <head> dynamically and runs it. While that file is being fetched, the rest of the page can continue to load. This is a bit asynchronous, isn't it (similar to web pages still loading content while also fetching images)?
As a follow-up to his Higher Order Javascript article (see SitePoint thread about it), Piers Cawley has gone further with Asynchronous Streams, where he uses jQuery (as an example) to load external files asynchronously to avoid blocking of the HTML document loading. In my web development career I haven't worried about blocking, but plenty of folks around here are loading ginormous files, and lots of them, for large sites. As developers, what do you do to get around slow page loads? Have you done anything like this asynchronous calling of the external files?
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Jul 14, 2010
Is it faster/more beneficial to have two snippets of code be generated by php at 2 different urls and then have a load function for each url? Or have the two snippets on one page, surrounded by id's and then load them that way?
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Jan 2, 2006
Im wondering if generating html objects such as tabels and rows in
javascript is faster than typing the html directly? Seems when you do
it in javascript you have to download alot of code and would slow down
displaying the page. while if you just type the html, it requires less
bandwidth and display faster?
is parsing html to display in browser slower than doing it through dom
to display the same html objects on the page?
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Dec 3, 2005
I wander what gets loaded the fastest (1-2 or 3) in what succession:
<head>
<script type="text/javascript">
function andAction() {
// doing stuff
}
</script>
</head>
<body onload="andAction();">
<script type="text/javascript">andAction()</script></body>
just in the head and nothing more
This I am sure off:
<head>
<script type="text/javascript">
window.onload = function andAction() {
// doing stuff
}
</script>
</head>
<script type="text/javascript">andAction()</script></body>
just in the head and nothing more (should be 1)
Third and last which is faster:
body onload or window.onload
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Dec 2, 2009
faster createElement() "Advanced"
:) :) :)
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May 12, 2011
I have a single webpage that contains information on all 50 U.S. states. There are 50 links at the top to jump down to the state you want, and at the bottom of the information for each state a Back to Top link.
I'm making the Back to Top link into something more complex, and it will require three or four lines of code.
So that I don't have to repeat the code 50 times, and create a burden when I need to edit it, I want to place it in a .js file and call it x. Then below the information for each state I'll simply have:
Does calling code from a .js file 50 times slow down the page load? Which method would load faster?
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Jul 23, 2005
I'm working on some code and am running into brick walls. I'm trying
to write out Javascript with Javascript and I've read the clj Meta FAQ
and didn't see the answer, read many similar posts (with no luck
though), and searched through the IRT.ORG Faqs
(www.irt.org/script/script.htm).
The Javascript is designed to open an popup window and then inside that
window call another script which will resize that window. There may be
another way around this but the reason I tried this approach initially
was that I wanted to call the onload handler in the popup window to
resize the image only after the image had completely loaded. I've had
some code in the primary Javascript file (showimage.js) before that
works if the image has been cached but on the first load, it doesn't
resize properly which tells me it is probably because it is trying to
resize the window based on the image size but it isn't completely known
at that point. So I removed that code and tried placing the resizing
code in the second Javascript file (resizewindow.js). BTW I've tried
other code to open a popup image and automatically size it ie Q1443 at
irt.org but that doesn't do exactly what we need.
Even if there is another way to do this with one file, I still want to
figure out why this isn't working in case I run into it in the future.
I thought what I would need to do to use document.writeln to write
Javascript would be to escape any special characters and to break
apart the script tag ie
document.writeln('</SCRIPT>');
would become
document.writeln('</SCR' + 'IPT>');
I have a HTML page and 2 Javascript files. All files are in the same
directory and have permissions set correctly.
Here are the 3 files (keep in mind wordwrap has jacked up the
formatting):
index.html
----------
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Test</title>
<SCRIPT type="text/javascript" LANGUAGE="JavaScript1.1"
SRC="showimage.js">
</SCRIPT>
</head>
<body>
Click the house<BR>
<A ONCLICK="newWindow1('house1.jpg','Nice House')"><IMG
SRC="house1thumb.jpg"></A>
</body>
</html>
showimage.js
------------
function newWindow1(pic,sitename)
{
picWindow=window.open('','','width=25,height=25,sc rollbars=1,resizable=1');
picWindow.document.writeln('<html> <head>');
picWindow.document.writeln('<SCR' + 'IPT type="text/javascript"
LANGUAGE="JavaScript1.1" SRC="resizewindow.js"></SCR' + 'IPT>');
picWindow.document.writeln('</head>');
picWindow.document.writeln('<body onload="resizewindow();">');
picWindow.document.writeln('<img src=' + pic + '>');
picWindow.document.writeln('</body> </html>');
picWindow.document.close();
}
resizewindow.js
---------------
function resizewindow()
{
// Do resizing here.
// Right now this isn't being executed
alert("resizing window");
}
Can anyone provide some pointers as to why this javascript is failing?
I'm using IE6 on Win2k and when I click on the image to open the popup
window, it does open the window but it is white with no content and the
system immediately goes from about 4% CPU usage to 100% and
consistently stays there until I kill that window with the task
manager.
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Jul 23, 2005
Attached is a simple HTML file that adds and delete rows. In the add
row function I set an attribute "onClick" this triggers the
testMessage() function. When I try this in Firefox it works just fine
however on IE it just refuses to work.
What is interseting is the ROW that already exists has a similar
'onClick' event which works when the page is loaded, but subsequent
"row" additions to the table to not work in IE. Code:
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Feb 19, 2007
two possibilities or the attribute type of script:
text/javascript (the one i usually use) application/x-javascript
what are the differencies between both?
depends on the html content?
for example html 4.0.1 versus xhtml 1.1?
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May 25, 2005
I'm getting errors in Firefox everytime I try to run this frame resize code, but it works fine in IE. I can't seem to figure out what the problem is with it.
The error is: Error: theFrame has no properties
Line: 8
The line that the javascript console is showing an error for is in italics.
code from page:
<html>
<head>
<script type="text/javascript">
var defaultCols="100px,*";
var hiddenCols="0px,*";
function ShowHideMenu(){
theFrame = document.getElementById("framed");
if(theFrame.cols == defaultCols) theFrame.cols=hiddenCols;
else theFrame.cols=defaultCols;
}
</script>
<frameset cols="100px,*" name="framed">
<frame src="lframe.htm" name="frameMenu">
<frame src="mframe.htm" name="content">
</frameset>
</head>
<body>
</body></html>
Come someone let me know what I'm doing wrong here?
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Mar 30, 2006
I'm already past the basics of Javascript, and i need something that takes me to the other level and teaches me the new technologies and cool stuff (drag&drop, AJAX, OOP in javascript, maybe XUL...etc). So far i found these two books:
1. Sitepoint's "The JavaScript Anthology: 101 Essential Tips, Tricks & Hacks".
2. Worx's "Professional JavaScript for Web Developers (Wrox Professional Guides)"
Both seems to cover very insteresting topics, but i can only buy one of them. So which one do you suggest?
and by the way, i've read the sample chapter 5 of Sitepoint's book, and it seems like the author(s) just put the solutions/codes there and let you figure them out on your own. Is this how the rest of the chapters are?
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Jul 23, 2005
This is a question about defensive web browsing. Ocassionally I run into a page whose JavaScript does something that I find obnoxious. I would like to turn off JavaScript only for that page (instead of disabling it globally). It would be cool if there were some way to do this through a "bookmarkable" JavaScript snippet using the javascript: pseudoprotocol. Does anyone know any trick to do any of this?
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