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03/14/2006 at 08:02PM PST, ID: 21774160
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7.7

Onfocus and Onblur

Asked by design_web in JavaScript

Tags: javascript, onfocus, onblur

I'm trying to use OnFocus and Onblur to focus on a textbox when I click in the field.  When I click in the textbox the value for the textbox disappears so I can type what I want to enter. The only problem is if I don't type anything in the textbox and  the value is displayed, I want to validate the textbox.  How can I stop the submission of the form when I don't enter text even though it still shows the value?

Javascript -

var textbox= document.getElementById ("textbox");
if (textbox.value == "") {
alert("You did not enter text in the textbox. Please enter before submitting form. \n");
textbox.focus();
return false;
}

HTML -

<input name="textbox" type="text" value="Click here to type" onfocus="if(this.value=='Click here to type')this.value='';" onblur="if(this.value=='')this.value='Click here to type';">
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About this solution

Zone: JavaScript
Tags: javascript, onfocus, onblur
Sign Up Now!
Solution Provided By: mplungjan
Participating Experts: 5
Solution Grade: A
 
 
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