Github user martin-g commented on a diff in the pull request: https://github.com/apache/wicket/pull/244#discussion_r149970025 --- Diff: wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/wicket-ajaxdownload.js --- @@ -108,29 +108,32 @@ var disposition = xhr.getResponseHeader("Content-Disposition"); if (disposition) { var matches = /filename[^;=\n]*=(([""]).*?\2|[^;\n]*)/.exec(disposition); - if (matches != null && matches[1]) { + if (matches !== null && matches[1]) { --- End diff -- Let's add this .js file to the ones checked by JSLint in `testing/js-tests/Gruntfile.js
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