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Addition in javascript!!!

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Nov 12.2003

Hi

It sounds silly but I am struggling to add three values in js.

It is concatinating it & displaying it as a string. How can solve this problem. I am very bad in js.

How can I convert text box values in to integers??

var gt=0;

gt=document.form.atot.value+document.form.ctot.value+document.form.sctot.value;

shara

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4 Comments(s) ↴

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@GollumNov 12.2003 — The result of the expression document.form.atot.value+document.form.ctot.value+document.form.sctot.value comes from the addition of three strings together which in javascript is another string. When you assign this value to your variable gt, gt will then become a string - javascript uses untyped variables so even though you declared gt with var gt=0; it is all forgotten on the next assignment.

you need to do this...
<i>
</i>var gt;
gt = parseInt(document.form.atot.value) + parseInt(document.form.ctot.value) + parseInt(document.form.sctot.value);
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@shanuraguauthorNov 12.2003 — Not much dufference!!

gt=parseInt(document.form.atot.value) + parseInt(document.form.ctot.value)+ parseInt(document.form.sctot.value);

alert(gt);

document.form.gtot.value=gt;

gt value is NaN???

shara
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@GollumNov 12.2003 — what are the values of your three fields?
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@shanuraguauthorNov 12.2003 — Thanks a lot, I manage to get through the problem!!!]


shara
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