May 2017
Intermediate to advanced
448 pages
10h 10m
English
Content preview from Learning jQuery 3 - Fifth Edition
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Handling Ajax errors
Introducing any kind of network interaction into an application brings along some degree of uncertainty. The user's connection could drop in the middle of an operation or a temporary server issue could interrupt communications. Because of these reliability concerns, we should always plan for the worst case and prepare for error scenarios.
The $.ajax() function can take a callback function named error to be called in these situations. In this callback, we should provide some kind of feedback to the user indicating that an error has occurred:
$(() => { $('#ajax-form') .on('submit', (e) => { e.preventDefault(); $.ajax({ url: 'https://api.github.com/search/repositories', dataType: 'jsonp', data: { q: $('#title').val() }, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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