Home > Developer > Web Develop
<! DOCTYPE html>
<meta charset= "Utf-8" >
<title>demo01</title>
<body>
<form>
<input type= "text" onpropertychange= "Cop ()" oninput= "Cop1 ()" id= "INPUT1" >
<input type= "text" id= "Input2" >
</form>
<form>
<input type= "text" id= "INPUT3" value= ">"
<input type= "text" id= "INPUT4" onpropertychange= "Cop ()" oninput= "Cop2 ()" placeholder= "Minus number" >
<input type= "text" id= "INPUT5" placeholder= "Results" >
</form>
</body>
<script>
function Cop1 () {
var Str=document.getelementbyid ("Input1"). Value;
B=parseint (str);
document.getElementById ("Input2"). Value = b;
}
function Cop2 () {
var Str=document.getelementbyid ("Input3"). Value;
var Str1=document.getelementbyid ("Input4"). Value;
C=parseint (str)-parseint (STR1);
document.getElementById ("Input5"). Value = C;
}
</script>
JS implementation of text text box data in real-time refresh to another text box
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
