'kill script' feature HTML5

[DaveC426913]

According to w3c, HTML5 has this feature where one can set parameters to have JS kill a script if certain conditions are met. Here's the ref:

http://dev.w3.org/html5/spec/webappapis.html#killing-scripts

Is this a feature *new* in HTML5? i.e. it was not doable before?

If so, how? I haven't found any other references to it out there.

 

[feherke]

Hi

According to w3c, HTML5 has this feature where one can set parameters to have JS kill a script if certain conditions are met.

I would say, this has nothing to do with HTML. Scripts can be used in other files too, for example in SVG ( see this JavaScript animated SVG example ). And runaway scripts should be killed by the browser regardless where they are embedded.

Browsers used to kill runaway scripts since long time and the only configurable parameter was the time to wait before kill ( [tt]dom.max_script_run_time[/tt] in Mozillas ). That text mentions various reasons and solutions, but in my prediction no browser will implement them in the near future.

The only important in my point of view is the suggested exception to throw when killing a script, QUOTA_EXCEEDED_ERR.


Feherke.

http://free.rootshell.be/~feherke/