August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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Checkbox.onBlur
JavaScript 1.1+, JScript 3.0+ Nav3+, IE 4+ Syntax
onBlur="command"
Description
The onBlur event handler is defined in an <input> tag and specifies what to do when a check box loses focus.
Example
The code in Listing 7.44 uses the onBlur event handler to display a message alerting the customer that the peppers he or she is ordering are hot.
Listing 7.44 Use onBlur Event Handler to Display Alert Box When Check Box Loses Focus
<html> <h2>Pizza Machine</h2> Step 1: Please select your pizza toppings:<BR> <form name="orderForm"> <input type="checkbox" name="peppers" onBlur="pepperAlert()">Peppers<br> <input type="checkbox" name="sausage">Sausage<hr> Step 2: <input type="button" value="Order Pizza" name="orderButton" onClick="alert('Your ... |
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