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Home >Web Front-end >JS Tutorial >IE6/7/8/9 does not support the abbreviation of exec_javascript skills

IE6/7/8/9 does not support the abbreviation of exec_javascript skills

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2016-05-16 18:06:211209browse

As follows

Copy the code The code is as follows:

var ary = /h/('hello') ;
alert(ary);

Error reported in IE6/7/8/9
The latest versions of Firefox/Safari/Chrome/Opera all pop up "h"

The above writing method is equivalent to
Copy the code The code is as follows:

var ary = /h /.exec('hello');


That is, when using the exec method in Firefox/Safari/Chrome/Opera browsers, you can remove "exec" and use "regular direct ()" method use.
IE10 Platform Preview still does not support this abbreviation.

Related:

https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/RegExp/exec

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