July 1998
Intermediate to advanced
1456 pages
65h 5m
English
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Name
unwatch(), watch() — NN 4 IE n/a ECMA n/a
Synopsis
unwatch(propertywatch(property,funcHandler)
These Navigator-specific functions are used primarily by JavaScript
debuggers. When a statement invokes the watch()
function for an object, the parameters include the property whose
value is to be watched and the reference to the function to be
invoked whenever the value of the property is changed by an
assignment statement. To turn off the watch operation, invoke the
unwatch() function for the particular property
engaged earlier.
Returned Value
Nothing.
Parameters
-
property The name of the object’s property to be watched.
-
funcHandler The name of the function (no parentheses) to be invoked whenever the watched property’s value changes.
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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.
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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.