Is there a distinction between
<a href="javascript:;"></a>
and
<a href="javascript:void(0);"></a>
?
I am looking to create a link-styled button that triggers a JavaScript function when clicked, so I implement the following:
$('<a>', {
'href': 'javascript:;',
text: 'Click me',
click: doStuff
});
While I am aware that this can be accomplished using the button tag and CSS, I believe this approach is much simpler.
There isn't really any functional difference between the two options. Both will not perform any action when clicked, except for triggering any click handlers that may be attached to them. As long as the content following the javascript: pseudo-protocol is valid JavaScript, using either a semicolon ; or void(0) will work just fine.
By the way, can I simply leave out the javascript protocol?
The href attribute typically expects a URL. If you opt not to use the javascript; pseudo-protocol, you will need to use an alternative approach.
It's worth mentioning that there are other alternatives you could consider, such as not utilizing the javascript: pseudo-protocol at all (using button type="button", span, href="#fragment" with meaningful fragments, etc.), although I understand that wasn't the focus of your question. :-)
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