Calculate sum of values in text boxes and display result

[RajanAish]

Hi All,

I am a new user for this forum and I need one help from you. Totally I have four text boxes in my html page. I need to calculate the total for the first three text boxes and I want that result to be displayed in the fourth text box. Right now I am working only in javascript. So, I need the solution for the above in javascript only.

Can anybody give me the solution for my query ?

--
Thanks,
RajanAish

[dmjpro]

Hi All,

I am a new user for this forum and I need one help from you. Totally I have four text boxes in my html page. I need to calculate the total for the first three text boxes and I want that result to be displayed in the fourth text box. Right now I am working only in javascript. So, I need the solution for the above in javascript only.

Can anybody give me the solution for my query ?

--
Thanks,
RajanAish

Welcome To TSDN.

First try yourself.

Anyway I am giving you the solution, but next time before coming here with your code.

<input type = text name = a>
<input type = text name = b>
<input type = text name = c>
<input type = text name = d>
 

//Code for do sum.
document.getElementsByName('d')[0].value = parseInt(document.getElementsByName('a')[0].value==''?'0':document.getElementsByName('a')[0].value)+
parseInt(document.getElementsByName('b')[0].value==''?'0':document.getElementsByName('b')[0].value)+
parseInt(document.getElementsByName('c')[0].value==''?'0':document.getElementsByName('c')[0].value);
 

All the Best.

Kind regards,
Dmjpro.

[acoder]

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