Q197 How do I detect if text has been entered on a text input before the form has been submitted?

irt.org | Knowledge Base | JavaScript | Form 3.4 | Q197 [ previous next ]

Q197 How do I detect if text has been entered on a text input before the form has been submitted?

<script language="JavaScript"><!--
function validate() {
    if document.myForm.myText.value = '' {
        alert('Form field blank!');
        return false;
    }
    else
        return true;
}
//--></script>

<form name="myForm" onSubmit="return validate()">
<input type="text" name="myText">
<input type="submit">
</form>

Feedback on 'Q197 How do I detect if text has been entered on a text input before the form has been submitted?'

• 11:24:45 6/12/00 Linton Schwarz
• 05:35:19 1/31/00 anonymous