Hi !
I have a problem with Internet Explorer that I really can't explain.
If anyone can find a solution to this, I congratulate you...
I'm trying to have a script dynamically select all (or some) of the
options in a select field. It won't work, it will only select one
option at a time...
While I was trying to debug, I realized that if I put an alert before
the instructions, it will work !!!
I've been able to recreate the problem in a simple html file... try
this !
First run the file as it is here... one option is selected.
Then, uncomment the alert("test"); line and run it again... all
options are selected !!!!!!!
Thanks for any help...
---
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled </title>
</head>
<body>
<span id="itGoesHere" ></span>
</body>
</html>
<script type="text/javascript">
function mySelectField(o ptionsToCreate) {
this.fieldRefer ence = window.document .createElement( "select");
this.fieldRefer ence.id = "myselect";
this.fieldRefer ence.multiple = true;
this.fieldRefer ence.size = 10;
window.document .getElementById ("itGoesHere"). appendChild(thi s.fieldReferenc e);
for (var i=0; i < optionsToCreate .length; i++) {
this.fieldRefer ence.options[this.fieldRefer ence.options.le ngth] = new
Option(optionsT oCreate[i][1], optionsToCreate[i][0]);
}
}
mySelectField.p rototype.select All = function() {
for (var i=0; i < this.fieldRefer ence.options.le ngth; i++)
{
this.fieldRefer ence.options[i].selected = true;
}
}
var myField = new mySelectField([["1", "Test - 1"],["2", "Test -
2"],["3", "Test - 3"],["4", "Test - 4"],["5", "Test - 5"]]);
//alert("test");
myField.selectA ll();
</script>
4  11412 
Roughly I'd say is a runtime issue in IE, so, do the appendChild() first, and
the .multiple=true; afterwards, as for selecting options, new Option() constructor has 4
optional arguments, the last 2 are also boolean, true/false if its default state is to
selected , and true/false for current state to selected, which you can use when making the
option, instead of looping through.
Danny
Hmmm.. nope ! I've tried both Ideas and it did nothing good...
I'm wondering if there might be something I could put instead of an
alert that would cause it to magically work without requiring user
input...
Found an answer on another thread of this forum (aparently, lots of
people have experienced this). If I create the select using this
format, it'll work :
this.fieldRefer ence = window.document .createElement( "<select
name=\"myselect \" id=\"myselect\" multiple=\"mult iple\"
size=\"10\"></select>");
DBoy001 wrote:
Hi !
I have a problem with Internet Explorer that I really can't explain.
If anyone can find a solution to this, I congratulate you...
I'm trying to have a script dynamically select all (or some) of the
options in a select field. It won't work, it will only select one
option at a time...
While I was trying to debug, I realized that if I put an alert before
the instructions, it will work !!!
I've been able to recreate the problem in a simple html file... try
this !
First run the file as it is here... one option is selected.
Then, uncomment the alert("test"); line and run it again... all
options are selected !!!!!!!
Thanks for any help...
---
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled </title>
</head>
<body>
<span id="itGoesHere" ></span>
</body>
</html>
<script type="text/javascript">
function mySelectField(o ptionsToCreate) {
this.fieldRefer ence = window.document .createElement( "select");
this.fieldRefer ence.id = "myselect";
this.fieldRefer ence.multiple = true;
this.fieldRefer ence.size = 10;
window.document .getElementById ("itGoesHere"). appendChild(thi s.fieldReferenc e);
for (var i=0; i < optionsToCreate .length; i++) {
this.fieldRefer ence.options[this.fieldRefer ence.options.le ngth] = new
Option(optionsT oCreate[i][1], optionsToCreate[i][0]);
}
}
mySelectField.p rototype.select All = function() {
for (var i=0; i < this.fieldRefer ence.options.le ngth; i++)
{
this.fieldRefer ence.options[i].selected = true;
}
}
var myField = new mySelectField([["1", "Test - 1"],["2", "Test -
2"],["3", "Test - 3"],["4", "Test - 4"],["5", "Test - 5"]]);
//alert("test");
myField.selectA ll();
</script>
Kindof lame but, putting the last line in a timeout for a delay made it
work on mine.
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