Programming Forums > Web Development and Design > JavaScript and Client-Side Browser Scripting

paulmedic555 · Nov 24th, 2006, 9:28 AM

Hi all our teacher gave us this simple script that when someone gives two numbers in two forms then it will multiply their contents and print the result in an another form after he click one button.Here is the code:

(Toggle Plain Text)

<script language="javascript">
function convert (form)
{
   if ((form.first.value == "") 
       (form.second.value ==""))  
       return;
   form.result.value=form.first.value * form.second.value;     
}  
</script>

and

(Toggle Plain Text)

<form method="post">
Give first number:<input type="text" name="first" value=0 onchange=convert(this.form)>
<p>Give second number:<input type="text" name="second" value=0 onchange=convert(this.form)>
<p><input type="button" name="calculate" value="calculate" onclick=convert(this.form)>
<p>Result:<input type="text" name="result" value="not calculated" ><br>
</form>

I only tried in firefox and it didn't work.Any ideas?

Nov 24th, 2006, 9:28 AM	#1
paulmedic555 Newbie Join Date: Jan 2005 Location: Greece Posts: 18 Rep Power: 0	simple multiply script Hi all our teacher gave us this simple script that when someone gives two numbers in two forms then it will multiply their contents and print the result in an another form after he click one button.Here is the code: (Toggle Plain Text) <script language="javascript"> function convert (form) { if ((form.first.value == "") (form.second.value =="")) return; form.result.value=form.first.value * form.second.value; } </script> <script language="javascript"> function convert (form) { if ((form.first.value == "") (form.second.value =="")) return; form.result.value=form.first.value * form.second.value; } </script> and (Toggle Plain Text) <form method="post"> Give first number:<input type="text" name="first" value=0 onchange=convert(this.form)> <p>Give second number:<input type="text" name="second" value=0 onchange=convert(this.form)> <p><input type="button" name="calculate" value="calculate" onclick=convert(this.form)> <p>Result:<input type="text" name="result" value="not calculated" ><br> </form> <form method="post"> Give first number:<input type="text" name="first" value=0 onchange=convert(this.form)> <p>Give second number:<input type="text" name="second" value=0 onchange=convert(this.form)> <p><input type="button" name="calculate" value="calculate" onclick=convert(this.form)> <p>Result:<input type="text" name="result" value="not calculated" ><br> </form> I only tried in firefox and it didn't work.Any ideas?

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Programming Forums > Web Development and Design > JavaScript and Client-Side Browser Scripting

simple multiply script