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The JavaScript with jQuery online test assesses candidates' knowledge of how to program in the JavaScript language and use one of its most widely used libraries, jQuery.
It's an ideal test for pre-employment screening. A good JavaScript developer needs to be able not only to solve problems using JavaScript but also to understand and extend the functionality provided by JavaScript using libraries such as jQuery.
This online test requires candidates to solve coding problems in JavaScript and jQuery.
An image gallery is a set of images with corresponding remove buttons. This is the HTML code for a gallery with two images:
<div class="image">
<img src="https://bit.ly/3lmYVna" alt="First">
<button class="remove">X</button>
</div>
<div class="image">
<img src="https://bit.ly/3flyaMj" alt="Second">
<button class="remove">X</button>
</div>
Implement the setup function that registers a click event handler and implements the following logic: When the button of class remove is clicked, its parent <div> element should be removed from the gallery.
For example, after the first image has been removed from the gallery above, it's HTML code should look like this:
<div class="image">
<img src="https://bit.ly/3flyaMj" alt="Second">
<button class="remove">X</button>
</div>
The createProductCodeForm function is used to create a new form that accepts a product code from a user.
The current version of the form contains the hint: 'The product code can be found on the label'. This hint is currently always visible to the user.
Improve the form so that the hint is only rendered when the input element is the focused element.
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