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POSum a number on key type javascript
primarykey
Id
11394889
data
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0
AnswerCount
2
ClosedDate
CommentCount
3
CommunityOwnedDate
CreationDate
2012-07-09T12:19:24.447
FavoriteCount
0
LastActivityDate
2012-07-13T16:07:17.560
LastEditDate
2012-07-13T16:07:17.560
LastEditorUserId
1475686
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1475686
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0
PostTypeId
1
Score
0
ViewCount
313
LastEditorDisplayName
text
Body
<p>I have an auto update sum form which is runs perfectly with 3 inputs. But I need one more input to be calculated. I tried to add a field and tried to mimic the script but have no luck. Please help.</p> <pre><code>function formatDollar(num) { var p = num.toFixed(2).split("."); return "" + p[0].split("").reverse().reduce(function(acc, num, i, orig) { return num + (i && !(i % 3) ? "," : "") + acc; }, ""); } //auto sum function calculateDiscount() { var cost = document.getElementById('insr_total1').value.replace(/[^0-9]+/i,""); cost = cost.replace(/[^0-9]+/i,""); var discount = document.getElementById('insr_discount').value; //do the math var net = cost-discount; //update document.getElementById('insr_discount2').innerHTML = formatDollar(cost*(discount/100)); document.getElementById('insr_total3').value = formatDollar(cost-cost*(discount/100)); } </code></pre> <p>And this is the html I use with:</p> <pre><code><table> <tr> <td align="left" valign="top">Cost1</td> <td align="left" valign="top"><input type="text" name="insr_total1" id="insr_total1" size="17" maxlength="15" onKeyup="calculateDiscount(); return false;" /> USD</td> </tr> <tr> <td align="left" valign="top">Discount</td> <td align="left" valign="top"><input type="text" name="insr_discount" id="insr_discount" size="4" maxlength="3" onkeyup="calculateDiscount(); return false;" /> % (<span id="insr_discount2" style="color:green; font-size: 13px;"></span> USD)</td> </tr> <tr> <td align="left" valign="top">Cost 2</td> <td align="left" valign="top"><input type="text" name="insr_total2" id="insr_total2" size="17" maxlength="15" /> USD</td> </tr> <tr> <td align="left" valign="top">Overall</td> <td align="left" valign="top"><input type="text" name="insr_total3" id="insr_total3" size="17" readonly maxlength="15" /> USD</td> </tr> </table> </code></pre> <p>Well, I need "insr_total2" to subtract from insr_total3. It always gets error no matter I tried. Appreciated for all reply.</p>
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Sum a number on key type javascript
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1. PTQuestion
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1. USPnobuts
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1. USPnobuts
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1. PO
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