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One new Array for several objects?

Posted on 2005-04-21
Medium Priority
Last Modified: 2012-05-05
In a page there are about 10 click-buttons. Each of them opens a small window (of identical size and specifications) which gives short explanation about the item.

A part of the script in the page is written like this:
Act['01'] = new Array(OpenWin,'01.html','',550,700,1,1,0,0,0,0,0);
Act['02'] = new Array(OpenWin,'02.html','',550,700,1,1,0,0,0,0,0);
Act['10'] = new Array(OpenWin,'10.html','',550,700,1,1,0,0,0,0,0);
Is there a good syntaktikal way to write the same in single expression?

("Act" is a new object, "OpenWin" is a function which builds and opens the new window.)
Question by:zirbel_ch
  • 4
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  • 2
  • +1
LVL 32

Assisted Solution

Batalf earned 420 total points
ID: 13837793
Something like this?

var Act = new Array();

for(var no=0;no<10;no++){
    var prefix="";
    Act[prefix+no] = new Array(OpenWin,prefix+no+'.html','',550,700,1,1,0,0,0,0,0);

I assume that "OpenWin" is a defined variable!?
LVL 63

Expert Comment

ID: 13838260
There is a ONE statement version:


var Act = [ "",


LVL 75

Expert Comment

by:Michel Plungjan
ID: 13839159
do NOT use numbers as string index. 08 and 09 are considered invalid octal numbers
you can always remove the leading 0 from whereever you need to access them from
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Author Comment

ID: 13840762

What do you propose instead of the indexes '01', '02' etc. to become a logical suite which goes with Batalf's proposition (which works fine)?
Does-it make-it better with an alphabetical praefix like 'a01', a02' etc.?
LVL 75

Accepted Solution

Michel Plungjan earned 80 total points
ID: 13840882
Yes a LOT better since javascript will attempt to loose the leading 0 as often as possible, the 08 and 09 are as mentioned illegal octal numbers and all numbers with leading 0 are considered octal in javascript which means you need  ,10 on parseInt to allow them:
Num = "08"

You can also just use

which is how js likes it and which makes the array simpler to handle than the associative array. KISS principle
LVL 63

Expert Comment

ID: 13841156
And for the first S in KISS was my first empty String element in the Array ;-)

Author Comment

ID: 13842875
Thanks to all it was very helpfull.

Author Comment

ID: 13843071

Sorry, there is still a little problem with the 3 help-windows which should be called with the same function. That is how the script in the page looks (accepting the comment of mplungjan about leading 0):
Act['help_en'] = new Array(OpenWin,'help_en.html','',300,350,1,1,0,0,0,0,0);
Act['help_de'] = new Array(OpenWin,'help_de.html','',300,350,1,1,0,0,0,0,0);
Act['help_fr'] = new Array(OpenWin,'
      var Act = new Array();
      for(var no=0;no<20;no++){
Act[no] = new Array(OpenWin,no+'.html','',550,700,1,1,0,0,0,0,0);
Unfortunately the help-pages don't work anymore. But why?

Author Comment

ID: 13844389
Ok, I was able to solve the problem.

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