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BBS: Re: loops in Javascript? - June 16, 1998 at 07:18:59

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Posted by Martin Webb on June 16, 1998 at 07:18:59:

In Reply to: Re: loops in Javascript? posted by oz on June 16, 1998 at 05:37:48:

: but doesn't that mean that the 'delay' value is going to decide how far the page scrolls?

No the delay parameter decides the interval before the scroll_function is invoked.

: also the main prob I've been having is detecting mouseOut once the loop starts.......

setTimeout does not cause a loop, it sets a timer which triggers some JavaScript code after a delay. A setTimeout doesn't stop the rest of the code from being processed. The code execution continues in sequential order.

: are you saying it is impossible to do true loops in JS???

No. You can have a loop. The trouble with a loop is that nothing else can happen whilst JavaScript is looping. Heres an empty loop:

for (var i = 0; i > 1000; i++) { }


: the idea is to scroll the main frame when the mouseOver event occurs on the direction arrows.
: My idea was to place a loop between the mouseOver and mouseOut events that calls the scroll function of the main frame,
: but I can't seem to stop the the loop once I start it. Is it possible to have a loop in JS?

Why are you placing a loop between two separate event handlers? What is the purpose of the loop?


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