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JSLint Error Explanations

JSLint will hurt your feelings. It's time to make them better!


ADsafe violation: Misformed ADSAFE.go

When do I get this error?

JSLint (prior to version 2013-03-18) throws the "ADsafe violation: Misformed ADSAFE.go" error when the adsafe and fragment options are set to true (they're false by default) and the call to the ADSAFE.go method does not pass the correct argument types. Here's an example:

Why do I get this error?

This error is raised when JSLint encounters code that violates the rules of the ADsafe subset of JavaScript. It is a fatal error that signifies a severe problem with ADsafe code and will have to be fixed before your ADsafe code will execute.

The ADSAFE.go method requires two arguments. The first must be the name of the widget, and the second must be a function. If the second argument is not passed in (it is undefined) or is any type other than a function, JSLint will throw this error.

In a commit on 20th March 2013, HTML, CSS and ADsafe parsing functionality was removed from JSLint. If you rely upon this functionality, you will be unable to upgrade JSLint to a version beyond that date.


James Allardice

This article was written by James Allardice, an enthusiastic young JavaScript developer at Global Personals (we're looking for developers so please apply). He is passionate about writing clean, maintainable JavaScript and uses JSHint every day to help achieve this.

You can follow him on Twitter, fork him on GitHub and find him on Google+.


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