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JS text box append multiple Drop-down box of the value of a simple example

Source: Internet
Author: User
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This article describes the JS text box to append multiple Drop-down box Value example, the need for friends can refer to the copy code code as follows:




<HTML>


<HEAD>


<TITLE> New Document </TITLE>


<meta name= "generator" content= "EditPlus" >


<meta name= "Author" content= "" >


<meta name= "Keywords" content= "" >


<meta name= "Description" content= "" >


<script language= "JavaScript" >


function doit (ofrm) {


//ofrm.t1.value=parseint (Ofrm.s1.value) +parseint (ofrm.s2.value) +parseint (ofrm.s3.value) +parseint ( Ofrm.s4.value);


Ofrmofrm.t1.value=ofrm.s1.value+ofrm.s2.value+ofrm.s3.value+ofrm.s4.value;


}


</script>


</HEAD>


<BODY>


<form name= "Tfrm" >


<select name= "S1" onchange= "Javascript:doit" (this.form); " >


<option value= "*" selected> please choose </option>


<option value= "1" >1</option>


<option value= "2" >2</option>


<option value= "3" >3</option>


</select>


<select name= "S2" onchange= "Javascript:doit" (this.form); " >


<option value= "*" selected> please choose </option>


<option value= "1" >1</option>


<option value= "2" >2</option>


<option value= "3" >3</option>


</select>


<select name= "S3" Onchange= "Javascript:doit" (this.form); " >


<option value= "*" selected> please choose </option>


<option value= "1" >1</option>


<option value= "2" >2</option>


<option value= "3" >3</option>


</select>


<select name= "S4" onchange= "Javascript:doit" (this.form); " >


<option value= "*" selected> please choose </option>


<option value= "1" >1</option>


<option value= "2" >2</option>


<option value= "3" >3</option>


</select>


<input type= "text" name= "T1" "value=" ">


</form>


</BODY>


</HTML>

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Related Keywords:
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