andreas: 4-Grundrechnungen

Beitrag lesen

<HTML>
<HEAD>
<TITLE>test, Berechnung </TITLE>

<script language="JavaScript">
  <!--

function rechnen()
{

//addieren: funktioniert nicht richtig!!!

add = (document.Test2.z3.value + document.Test2.z4.value);
document.Test2.Aus.value = add;

subt = (document.Test3.z5.value - document.Test3.z6.value);
document.Test3.Aus.value = subt;

multi  = (document.Test4.z7.value * document.Test4.z8.value);
document.Test4.Aus.value = multi;

divi  = (document.Test5.z9.value / document.Test5.z10.value);
document.Test5.Aus.value = divi;

}
  // -->
  </script>

</HEAD>
<BODY>
<table width=500 border=0>

<tr><td height=20></td></tr>

<tr>
<td valign=top>
<CENTER>

<form name="Test3">
<font  face=arial size=2><B>Subtrahieren:</B></font><BR>
  <input name="z5" size=5 maxlength=10> <input type=button value=" - "> <input name="z6" size=5 maxlength=10>
  <input type=button value=" = " onClick="rechnen();"> <input name="Aus" size=5 maxlength=10>
<BR><BR>
  </form>

<form name="Test4">
<font  face=arial size=2><B>Multizipieren:</B></font><BR>
  <input name="z7" size=5 maxlength=10> <input type=button value=" x "> <input name="z8" size=5 maxlength=10>
  <input type=button value=" = " onClick="rechnen();"> <input name="Aus" size=5 maxlength=10>
<BR><BR>
  </form>

<form name="Test5">
<font  face=arial size=2><B>Dividieren:</B></font><BR>
  <input name="z9" size=5 maxlength=10> <input type=button value=" : "> <input name="z10" size=5 maxlength=10>
  <input type=button value=" = " onClick="rechnen();"> <input name="Aus" size=5 maxlength=10>
<BR><BR>
  </form>

<form name="Test2">
<font  face=arial size=2><B>Addieren:</B></font><BR>
  <input name="z3" size=5 maxlength=10> <input type=button value=" + "> <input name="z4" size=5 maxlength=10>
  <input type=button value=" = " onClick="rechnen();"> <input name="Aus" size=5 maxlength=10>
<BR><BR>
</form>

</CENTER>
</td>
</tr>

</table>
</BODY>
</HTML>

wo habe ich den Fehler gemacht??!
;-?
ak