Chrome Development Tool: [VM] file from javascript

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[VM] (scriptId) has no special meaning. It’s a dummy name to help us to distinguish code which are not directly tied to a file name, such as code created using eval and friends.

In the past, all of these scripts were just labelled (program).

If you’re interested, just look up "[VM]"in the source code of Chromium, you will discover that these numbers have no significant meaning outside the developer tools.

update 2015-06-25

[VM] (scriptId) was renamed to VMscriptId a while ago, and here is the direct link to search result in case the value changes again.

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