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| en:create:debugging [26.11.2020 21:00] – [Finding Bugs in Java] sophia.schauer | en:create:debugging [08.06.2022 17:25] – admin |
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| While the PHP code of SoSci Survey is being executed on the server, [[en:create:javascript|JavaScript]] will run in the browser of the participant. Accordingly the browser is responsible for finding errors and information. | While the PHP code of SoSci Survey is being executed on the server, [[en:create:javascript|JavaScript]] will run in the browser of the participant. Accordingly the browser is responsible for finding errors and information. |
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| To do so, the error log is needed. One can find it -- depending on the browser -- at different places. | To do so, the browwser console with its error log is needed: [[:en:general:browser-tools]] |
| ([[http://webmasters.stackexchange.com/a/77337/30902|Shortcuts (engl.)]], [[https://codex.wordpress.org/Using_Your_Browser_to_Diagnose_JavaScript_Errors#Step_3:_Diagnosis|Wordpress (engl.)]], [[http://www.stramaxon.com/2013/10/developer-tools-in-browser.html|How to Open Developer Tools (engl.)]]). | |
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| Use the command ''console.log()'' to find additional information in the error log. Accordingly, the following Java script code would, e.g., look for an element with the HTML-ID "AB01_01" -- and display the same in the error log if it finds it. | Use the command ''console.log()'' to find additional information in the error log. Accordingly, the following Java script code would, e.g., look for an element with the HTML-ID "AB01_01" -- and display the same in the error log if it finds it. |
