form fields calculator

kaidoparv posted this at 13:56 — 30th December 2010.

Joined: Dec 2010

is there any good example to make a javascript calculator which can calculate te total sum from quantity fields and checkboxes? for example i have to lines of data, each can have different quantity and 2 checkbox. increasing the quantity will increase the sum 10 EUR (for one line, second can have different sum), checking some checkboxes will increases the total sum too, but also all the checkboxes may have different sums, like 5 EUR, 0,5 EUR, 2,49 EUR etc

some examples?

Web: http://www.doit-interactive.com/
Doit OÜ: http://www.doit.ee/
Blog: http://kaido.duh.ee/

sarenarichard posted this at 12:00 — 5th January 2011.

She has: 44 posts

Joined: Dec 2010

<FORM NAME="Calc">
<TABLE BORDER=4>
<TR>
<TD>
<INPUT TYPE="text"   NAME="Input" Size="16">
<br>
</TD>
</TR>
<TR>
<TD>
<INPUT TYPE="button" NAME="one"   VALUE="  1  " OnClick="Calc.Input.value += '1'">
<INPUT TYPE="button" NAME="two"   VALUE="  2  " OnCLick="Calc.Input.value += '2'">
<INPUT TYPE="button" NAME="three" VALUE="  3  " OnClick="Calc.Input.value += '3'">
<INPUT TYPE="button" NAME="plus"  VALUE="  +  " OnClick="Calc.Input.value += ' + '">
<br>
<INPUT TYPE="button" NAME="four"  VALUE="  4  " OnClick="Calc.Input.value += '4'">
<INPUT TYPE="button" NAME="five"  VALUE="  5  " OnCLick="Calc.Input.value += '5'">
<INPUT TYPE="button" NAME="six"   VALUE="  6  " OnClick="Calc.Input.value += '6'">
<INPUT TYPE="button" NAME="minus" VALUE="  -  " OnClick="Calc.Input.value += ' - '">
<br>
<INPUT TYPE="button" NAME="seven" VALUE="  7  " OnClick="Calc.Input.value += '7'">
<INPUT TYPE="button" NAME="eight" VALUE="  8  " OnCLick="Calc.Input.value += '8'">
<INPUT TYPE="button" NAME="nine"  VALUE="  9  " OnClick="Calc.Input.value += '9'">
<INPUT TYPE="button" NAME="times" VALUE="  x  " OnClick="Calc.Input.value += ' * '">
<br>
<INPUT TYPE="button" NAME="clear" VALUE="  c  " OnClick="Calc.Input.value = ''">
<INPUT TYPE="button" NAME="zero"  VALUE="  0  " OnClick="Calc.Input.value += '0'">
<INPUT TYPE="button" NAME="DoIt"  VALUE="  =  " OnClick="Calc.Input.value = eval(Calc.Input.value)">
<INPUT TYPE="button" NAME="div"   VALUE="  /  " OnClick="Calc.Input.value += ' / '">
<br>
</TD>
</TR>
</TABLE>
</FORM>

<p align="center"><font face="arial" size="-2">This free script provided by</font><br>
<font face="arial, helvetica" size="-2"><a href="http://javascriptkit.com">JavaScript
Kit</a></font></p>

lisaroy1 posted this at 06:37 — 25th January 2011.

They have: 46 posts

Joined: Jan 2011

That's very interesting lets see how it works