LinkedIn jQuery Skill Assessment

LinkedIn jQuery Exam Answers 2024

JQuery

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Generally speaking, when used on a web page, how should jQuery be installed, and why?

• Just before the closing body tag, because we want to avoid blocking other resources from loading, and we use the ready method to make sure our code fires after the DOM is ready 
• Using the highest version number possible because only jQuery 3 and up are compatible with Internet Explorer 7
• In the head tag because we want jQuery available as soon as possible
• From a CDN because we want to be able to use jQuery online or offline

linkedin jQuery assessment

Given this HTML code, how can you make this button disappear from the page using jQuery?

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• $('.btn-primary').hide();
• $('.btn-primary').show(false);
• $('.btn-primary').visibility(false);
• $('.btn-primary:visible').not();

linkedin jQuery Quiz answers

What is the difference between $('header').html()and $('header').text()?

• $('header').html() returns the inner HTML of the header. $('header').text() returns only the text.
• $('header').html() returns all headers in an HTML document. $('header').text() returns the first line of a text file.
• $('header').html() strips all HTML from the header. $('header').text() always returns an empty string.
• $('header').html() returns only the HTML tags used, without the text. $('header').text() returns the text with all whitespace removed.

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When writing jQuery plugins, you often provide default options that the end user may override. What jQuery function is most useful for this purpose?

• $.merge
• $.clone
• $.extend
• $.fn.extend

jQuery linkedin Quiz

You want to work with AJAX using a Promise-like interface instead of nested callback functions. What jQuery API should you use?

• jQuery.sub
• jQuery.ajaxTransport
• jQuery.Deferred
• jQuery.proxy