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Question 47

A developer creates a custom Client Library named foobar.

This Client Library embeds 5 other Client Libraries and contains 10 JavaScript source files. One of these files, called foo.js, has a bug on line 8 which causes an exception. The Client Library is throwing this exception on line 1350 when it is included on a webpage.

How should a developer find the exact line in foo.js where the exception has been thrown?

1. Enable JS/CSS minification in OSGi configuration console for HTML Library Manager. 2. Check the JavaScript exception log in the OSGi web console.

1. Temporarily remove the embedded Client Libraries of the foobar Client Library. 2. Use the browser JavaScript debugging tools.

1. Add the selector debugClientLibs to the page request. 2. Check the JavaScript exception log in the OSGi web console.

1. Add the query parameter debugClientLibs=true to the request. 2. Use the browser JavaScript debugging tools.

Correct Answer: D

To identify the exact line in foo.js with the bug, a developer should add the query parameter debugClientLibs=true to the request and then use the browser's JavaScript debugging tools. By doing this, the browser will load unminified versions of the JavaScript files, making it easier to pinpoint the error directly within foo.js using the debugging tools.

Discussion

Medo83Option: D

Correct answer is D.

chunpinOption: D

Answer: D Reference: https://helpx.adobe.com/experience-manager/kb/How-to-debug-javascript-errors-in-AEM.html