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  1. POJavascript / Form
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    copied!<p>I'm working on a project that will use loops to add many forms into a mysql database. In the javascript section i can not get the var i to work inside the function updatesum(). Can someone help me out?</p> <p>I'm tryin to aviod having to do this:</p> <pre><code>document.form1.total.value = (document.form1.number1.value -0) + (document.form1.number2.value -0); document.form2.total.value = (document.form2.number1.value -0) + (document.form2.number2.value -0); ........... document.form48.total.value = (document.form48.number1.value -0) + (document.form48.number2.value -0); document.form49.total.value = (document.form49.number1.value -0) + (document.form49.number2.value -0); </code></pre> <p>There will be about 12 other calculations that will have to take place.</p> <p>Any help would be appreciated. </p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;script type="text/javascript"&gt;&lt;!-- function updatesum() { for(var i=0; i &lt; 50; i++) { document.form[i].total.value = (document.form[i].number1.value -0) + (document.form[i].number2.value -0); } } //--&gt; &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;table border="1"&gt; &lt;tr&gt; &lt;td&gt;#&lt;/td&gt; &lt;td&gt;NUMBER&lt;/td&gt; &lt;/tr&gt; &lt;? $x=1; while($x &lt;= 50) { ?&gt; &lt;tr&gt; &lt;td&gt; &lt;? echo $x; ?&gt; &lt;/td&gt; &lt;td&gt; &lt;form name="form&lt;? echo $x;?&gt;" &gt; &lt;table border="1"&gt; &lt;tr&gt; &lt;td&gt;NUMBER1&lt;/td&gt; &lt;td&gt;NUMBER2&lt;/td&gt; &lt;td&gt;TOTAL&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;input name="number1" size="2" onChange="updatesum()" /&gt;&lt;/td&gt; &lt;td&gt;&lt;input name="number2" size="2" onChange="updatesum()" /&gt;&lt;/td&gt; &lt;td&gt;&lt;input name="total" size="3" readonly style="border:0px;"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; &lt;/td&gt; &lt;/tr&gt; &lt;? $x++; } ?&gt; &lt;/table&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
 

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