Handle focus event on input box - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Form Event

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Description

Handle focus event on input box

Demo Code

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<html>
   <head> 
      <script>
function myFunction() {/* w ww. j a v a2  s  .  c om*/
var x=document.getElementById("Qty").value;
var y=document.getElementById("QtyRemaining").value;
 if(y>x) {
  console.log("exceeded the Qty remaining");
  document.getElementById("Qty").value = "";
 }
}

      </script> 
   </head> 
   <body> 
      <input type="text" id="Qty" onBlur="myFunction()"> 
      <input type="text" id="QtyRemaining" value="2323">  
   </body>
</html>

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