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Simple Script-loading drop down menu

Posted on 2000-03-01
6
Medium Priority
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173 Views
Last Modified: 2013-12-25
I'd like to create a drop-down menu, but for each selection, I'd like to call a specific javascript.. Sort of like

<html>
<head>
<!-- javascripts here -->

</head>
<body>
<form name="form" >
  <select name="select">
    <option>Select one</option>
    <option>run js1</option>
    <option>run js2</option>
  </select>
</form>
...

Note: it should not require a submit button, since only one item can be selected.

Thanks!
-Sean
0
Comment
Question by:slydon
  • 3
  • 2
6 Comments
 
LVL 18

Expert Comment

by:mgfranz
ID: 2574473
Sure, something like this;

<head>
<script language=javascript>

function JS1()

.... your code

end function

function JS2()

.... more of your code

end function

</head>
<body>

<form name="form" > 
  <select name="select">
    <option>Select one</option>
    <option value="javascript:JS1();">run js1</option>
    <option value="javascript:JS2();">run js2</option>
  </select>
</form>
</body>
</html>

Mark

0
 
LVL 19

Accepted Solution

by:
cheekycj earned 400 total points
ID: 2576892
or do this:

<head>
<script language=javascript>

function JS1() {
..
..
..
}

function JS2() {
..
..
..
}
function handle_select() {
if (document.myform.runselect.selectedIndex==0) {
  JS1();
} else if (document.myform.runselect.selectedIndex==1){

}
}
</script>
</head>
<body>

<form name="myform" > 
  <select name="rnselect" onChange="handle_select();">
    <option>Select one</option>
    <option>run js1</option>
    <option>run js2</option>
  </select>
</form>
</body>
</html>

0
 
LVL 1

Author Comment

by:slydon
ID: 2580787
Tried suggestion 1, as there would be more than 2 options, but something is still wrong.. perhaps its my formatting?
Using the Dreamweaver layer show/hide function as an example..


<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript">
<!--
function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}
//-->
</script>
</head>

<body bgcolor="#FFFFFF">
<p><a href="#" onMouseOver="MM_showHideLayers('Layer2','','hide','Layer1','','show')">open
  layer 1</a></p>
<p><a href="#" onMouseOver="MM_showHideLayers('Layer2','','show','Layer1','','hide')">layer
  2</a></p>
<div id="Layer2" style="position:absolute; width:200px; height:115px; z-index:2; left: 266px; top: 76px; visibility: hidden">gbdgfbgdgvdgf</div>
<div id="Layer1" style="position:absolute; width:200px; height:115px; z-index:1; visibility: hidden">gnfhhgbfbg</div>
<form name="form" >
  <select name="select">
    <option>Select one</option>
    <option value="javascript:MM_showHideLayers('Layer2','','hide','Layer1','','show');">run js1</option>
    <option value="javascript:MM_showHideLayers('Layer2','','show','Layer1','','hide');">run js2</option>
  </select>
</form>
0
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LVL 19

Expert Comment

by:cheekycj
ID: 2581338
my comment was just an addition to the first one... you are not limited to just two... you just need to extend you if-then-else or use a switch statement.

CJ
0
 
LVL 1

Author Comment

by:slydon
ID: 2593208
Thanks CJ.. I'm going to try it out
-Sean
0
 
LVL 1

Author Comment

by:slydon
ID: 2760824
Took a bit of tweaking but I got it to work reasonably well. Thanks :)
0

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