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6.6

Dynamically add values of combo boxes using javascript

Asked by pborregg in JavaScript

Tags: javascript

Hello friends,

Here's what I have:  a series of 15 combo boxes that have only on choice per...

1 - 5 are the values.

The employee rates his/her abilities by choosing 1 (being unsatisfactory) to 5 (being exemplory)

The numbers in the middle don't really matter except for that they are there... so 1, 2, 3, 4, and 5 are the choices.

At the bottom of the screen (ASP CLASSIC PAGE), again, this is irrelovant, I have a <span id='ttlEmpRatings'>0</span>.

As an employee chooses a rating scale value, I want to dynamically add/subtract from the choices and show the total at the bottom.  So if through the 15 drop down boxes the employee believes s/he racks up 100 points then I want it to show <span id='ttlEmpRatings'>100</span>.

Now if they believe they made an error and want to change one of the values in the drop down box and the total is now 99 then I want that to reflect in the <SPAN> tag. Get me? And so on if they "INCREASE" their values...

I know that innerHTML will be used here and the parseInt(10,0) will be used as well, what I'm stuck on is how to dynamically caclulate this on-the-fly...

Thanks

Peter 
1:
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Here's the combo box code... simply repeat it 15 times in an HTML page:
 
        <select name="selectBox1" class="style9" id="selectBox1" onchange="ttlEmp(this.value)">
          <option value="0" selected="selected">SELECT</option>
          <option value="1">Unsat</option>
          <option value="2">Marginal</option>
          <option value="3">Competent</option>
          <option value="4">Commendable</option>
          <option value="5">Outstanding</option>
        </select>
[+][-]08/17/09 07:51 PM, ID: 25119852Accepted Solution

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About this solution

Zone: JavaScript
Tags: javascript
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Solution Provided By: pborregg
Participating Experts: 0
Solution Grade: A
 
[+][-]08/17/09 07:54 PM, ID: 25119861Author Comment

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