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POdate "validation" using javascript
 

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    <p>i hope what i will be posting now will make more sense. so this is the thing i ve been trying to code this in javascript and the same error always occurs, been trying for a while now to figure it out but i can't seem to find the problem.</p> <pre><code>function isLeap(type) { var yr; try{ yr=document.getElementById('yearof' + type).value; try{ yr = parseInt(yr); if ((yr%4) == 0){ if (yr%100 == 0){ if (yr%400 != 0){ alert("Not Leap"); return "false"; } if (yr%400 == 0){ alert("Leap"); return "true"; } } if (yr%100 != 0){ alert("Leap"); return "true"; } } if ((yr%4) != 0){ alert("Not Leap"); return "false"; } } catch(e){ } } catch(e){ break; } } function monthDays(type){ var month; var days; try{ month=document.getElementById('monthof' + type).value; try{ month = parseInt(month); if(month%2 != 0 || month == 8){ days= 31; } else{ if(month != 2){ days = 30; } else{ if(isLeap() == true){ days = 29; } else{ days = 28; } } } var mod=document.getElementById('dayof' + type); for(var i=1; i&lt;13; i++){ var option=document.createElement("option"); option.text=i.toString(); try{ // for IE earlier than version 8 mob.add(option,mob.options[null]); } catch (e){ mob.add(option,null); } } } catch(e){ } } catch(e){ break; } } </code></pre> <p>and this is the html</p> <pre><code>&lt;select id="monthofbirthchild" class="month" name="monthofbirthchild" onchange="monthDays("birthchild")"&gt; &lt;option value="MM"&gt;MM&lt;/option&gt; &lt;/select&gt; &lt;select id="monthofbirth" class="month" name="monthofbirth" onchange="monthDays("birth")"&gt; &lt;option value="MM"&gt;MM&lt;/option&gt; &lt;/select&gt; </code></pre> <p>i am passing either 'birth' or 'birthchild' so that the appropriate either for child or normal can be edited.</p>
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    1. COCan you post whatever you have tried till now?
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    2. COPreventing a web programmer from using jQuery is like preventing a car making company from using wheels. It's stupid and it's wrong.
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    3. CO@ShadowWizard if you really need to make car analogy, it's much closer to power steering than _wheels_. The web without jQuery isn't missing anything; it's just harder to steer. (See what I did there?)
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