jQuery when clicked changes page width

Question

Tell me how to make, when clicking on a link, the width of the page (or the block inside the page) is changed?

ikerya ikerya 1,193 3 20 · Accepted Answer · 2016-06-23T23:43:11

Using styles:

function setBoxWidth() { $(".box").css("width", "400px"); }

 .box { width: 200px; border: 1px solid red; }

 <script src="//code.jquery.com/jquery.min.js"></script> <div class="box">test</div> <br /> <button onclick="setBoxWidth()">Изменить ширину</button>

  is an empty element, it means that it has no content and the closing tag
@ soledar10, in XHTML yes, only   , because in XML all tags must be closed.
And then HTML, I don’t need extra slash and have already written the first comment why
With   browser transforms already two hits   .

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