Variable

[zenon905]

var int=setInterval("num++;document.getElementById('inf').value=num", 1000)I declared this variable but it runs right in the beginning when it is suppose to run after a few seconds.

[jeffman]

From the w3c docs I've read, I am not aware that the time of the first execution has been specified. Is it right away or is it after the interval? Could be at the brower's discretion. Or maybe I've missed something.To guarantee the performance you want, use setTimeout in a function and then call it recursively. That is, use setTimeout to call Function X, which calls setTimeout to call Function X . . . etc.setTimeout is guaranteed not to execute the assigned statements until the interval has expired.

[justsomeguy]

setInterval shouldn't fire immediately, it should wait until the first interval for the first execution. So that code should run every second. Make sure you initialize the num variable to 0 first (or whatever initial value).

[jeffman]

Well, maybe I should have run some tests before answering.FF/Mac and Safari work as you say. I made certain of this by initiating setInterval with a button click and keeping the interval 5 seconds long. No mistake. Both those browsers wait the full interval before executing the first time.I'll reserve further judgment till I've seen additional docs (my burden, not yours).ZENON:Do you call setInterval in a function or just inline in your script? 1000 milliseconds is just one second, not several. If the call is inline, much of that time could get eaten up during the loading of your document. You probably thought of that, but in case you hadn't . . .

[jesh]

Also, a little short cut - feel free to ignore this post.This:

num++; document.getElementById('inf').value = num;

is equivalent to:

document.getElementById('inf').value = ++num;

[jeffman]

document.getElementById('inf').value = ++num;

C# my @$$. You're C hacker pure as the driven snow, am I right? Or you studied with one. I'll bet you even recognize this old gem:while (*x++ = *y++);If you're old enough, you might even yearn for the days when it was standard practice to hide flags and other cool stuff inside unused bit number 8."Why would anyone need more than 64K of ram?"

[zenon905]

I just want to give that code the int variable. I followed the clock example but it didn't work.

[jeffman]

Did you follow justsomeguy's advice? He's saying you have to add a line like this before you can use num:var num = 0;Otherwise you just generate an error every second.

[zenon905]

Other question what's the document. code for making the background an image from my desktop?

[jeffman]

Other question what's the document. code for making the background an image from my desktop?

Sorry. I don't understand. You want a file on your desktop to be the background of your web document? Are you serving from your desktop computer or a provider?

[zenon905]

I made a file and I want it to be my background. Is there a javascript code for making the background the image of a file? Like document.bgimage or something.

[jeffman]

In java script: yourObject.style.backgroundImage="url(image.jpg)";In CSS: yourClass { background-image: url(image.gif); }

[zenon905]

What is yourObject?

[boen_robot]

What is yourObject?

The element object which you want to have the certain background. For example:

document.getElementById('inf').style.backgroundImage="url(image.jpg)";

will apply the background image on the element with an ID "inf".

[zenon905]

What if I want to apply it to the whole page?

[boen_robot]

What if I want to apply it to the whole page?

You apply it on the html element.In CSS:

html {background: url(image.jpg)}

and the equivalent in java script:

document.documentElement.style.backgroundImage="url(image.jpg)";