Is it acceptable to use spaces in div names like this?
<div class="frame header">Some content here</div>Having a space in the name might require separate CSS classes such as:
.frame { display: block; }
.header { background-color: #efefef; }
I am curious if having a space in the actual markup, as shown above, complies with XHTML strict standards. I have tried validating it on the W3C validation tool, but strangely, it seems to pass regardless of what I input. Frustrating...
It's important to remember that in HTML, ids and classes cannot have spaces. If you mistakenly add a space, it will be interpreted as two separate classes by the browser. However, this won't trigger an error as W3 recognizes the input as is. Your CSS code is accurate.
Absolutely, it is possible to do so. The class attribute does not represent a singular 'name' for the element, but rather a collection of classes that are applicable to it, with each class separated by spaces. If you wish for the element to have a distinct 'name' solely associated with it, then utilize the id attribute. Keep in mind that the id must be entirely unique within the document, and IDs cannot contain spaces.
For instance:
<div class="frame" id="header">Some content here</div>
.frame { display: block; }
#header { background-color: #efefef; }
Your actions are completely legitimate.
Nevertheless, multiple <div> elements within an html/xhtml file may share identical class definitions for style reasons.
Given that the name attribute has been replaced by the id attribute in xhtml, it is advisable to utilize an ID attribute to uniquely identify and reference a specific element.
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