Skip to Content
Pure JavaScript
book

Pure JavaScript

by Allen R. Wyke, Jason Gilliam, Charlton Ting
August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Sams
Content preview from Pure JavaScript

Textarea.onBlur

JavaScript1.0+, JScript1.0+ Nav2+, IE3+, Opera3+ Syntax

onBlur="command"

Description

The onBlur event handler of an instance of a Textarea object is fired when the focus is moved away from that particular text area. Care should be taken when using this event handler, because it is possible to get into an infinite loop when using onFocus event handler or focus() method.

Example

Listing 7.513 contains three text areas, one of which has the onBlur event handler used within its tag. The third text box is used for a counter for the number of times the onBlur event handler is used.

In the script, the event calls a function that reassigns the first text area focus. The result of this is that when a user tries to click or tab away ...

Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

JavaScript

JavaScript

T. J. Crowder

Publisher Resources

ISBN: 0672315475Purchase book