Call select method to highlight the text field : TextField « Form Control « JavaScript DHTML






  1. JavaScript DHTML
  2. Form Control
  3. TextField

Call select method to highlight the text field

   

<HTML>
<HEAD>
<SCRIPT LANGUAGE=JavaScript>
function butCheckForm_onclick()
{
   var myForm = document.form1;
   myForm.txtAge.blur();
   
   if (myForm.txtAge.value == "" || myForm.txtName.value == "")
   {
      document.write("missing value!");
      if (myForm.txtName.value == "")
      {
         myForm.txtName.focus();
      }
      else
      {
         myForm.txtAge.focus();
      }
   }
   else
   {
      document.write(myForm.txtName.value);
   }
}
function txtAge_onblur()
{
   var txtAge = document.form1.txtAge;
   if (isNaN(txtAge.value) == true)
   {
      alert("Age must be a number.");
      txtAge.focus();
      txtAge.select();
   }
}
function txtName_onchange() 
{
   window.status = "Hi " + document.form1.txtName.value;
   document.write(document.form1.txtName.value);
}
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME=form1>    Please enter the following details:
   Name:<INPUT TYPE="text" NAME=txtName onchange="txtName_onchange()">
   Age: <INPUT TYPE="text" NAME=txtAge onblur="txtAge_onblur()">
        <INPUT TYPE="button" VALUE="Check Details" NAME=butCheckForm onclick="butCheckForm_onclick()">
</FORM>
</BODY>
</HTML>








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