Friday 23 January 2015

Input value change by Number Picker based on left right side of text box:

Input value change by Number Picker based on left right side of text box:
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Javascript Arithamatic Operation :


Javascript addion word if both the varaible are in Numeric datatype;

when try to make addiona operation in javscript function,

It's consider as string concationation in var + number.


<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Spinner Control in HTML5 by Mobile DON</title>
<script>
function inc()
{

var inc= document.getElementById('age').value;

inc++;
console.log(inc);
document.getElementById('age').value=inc;
}

function dec()
{

var dec= document.getElementById('age').value;
dec= dec-1;
console.log(dec);
document.getElementById('age').value=dec;
}

</script>
</head>
<body>
   <form>
     <label for="age" >
      <i value="dec" onclick="dec()" >   Minus </i>
      <input type="number" name="age" id="age"  />
      <i value="inc" onclick="inc()" > Plus</i>
     </label>
    </form>
</body>
</html>

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