inline javascript in href

Just put the JS code directly in there:

<a href="#" onclick="a=1;b=2; return false;">fsljk</a>

Though, you should not be doing inline scripting. You should unobtrusively attach event handlers.

<a id="lol" href="/blah">fdsj</a>
<script>
document.getElementById('lol').onclick=function() {
/* code */
};
</script>

<a href="javascript:var hi = 3;" >myLink</a>

Now you can use hi anywhere to get 3.

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