October 1999
Intermediate to advanced
480 pages
14h 47m
English
Content preview from JavaScript Application CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Event Handlers
This section contains syntax for JavaScript’s 23 event handlers.
onAbort
Event handler for Image. Executes JavaScript code
when an abort event occurs; that is, when the
user aborts the loading of an image (for example, by clicking a link
or by clicking the “Stop” button).
- Compatability
JavaScript 1.1
- Event properties
onAbort has the following event properties:
- Type
Indicates the type of event
- Target
Indicates the object to which the event was originally sent
onBlur
Event handler for Button,
Checkbox, FileUpload,
Layer, Password,
Radio, Reset,
Select, Submit,
Text, Textarea, and
Window. Executes JavaScript code when a blur event
occurs; that is, when a form element loses focus or when a window or
frame loses focus.
- Compatability
JavaScript 1.0
- Event properties
onBlur has the following event properties:
- Type
Indicates the type of event
- Target
Indicates the object to which the event was originally sent
onChange
Executes JavaScript code when a change event occurs; that is, when a
Select, Text, or
Textarea field loses focus and its value has been
modified. Event handler for FileUpload,
Select, Text, and
Textarea.
- Compatability
JavaScript 1.0
- Event properties
onChange has the following event properties:
- Type
Indicates the type of event
- Target
Indicates the object to which the event was originally sent
onClick
Event handler for Button,
Document, Checkbox,
Link, Radio,
Reset, and Submit. Executes JavaScript code when a click event occurs; that is, when an object on a form is clicked. (A ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.