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Javascript Tips - Revision history
2026-06-13T07:54:38Z
Revision history for this page on the wiki
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https://logicwiki.co.uk/index.php?title=Javascript_Tips&diff=2245&oldid=prev
AliIybar: Created page with "Category:Javascript Category:Tips == Shorten the console.log == <pre> const log = console.log.bind(document) log("some message") </pre> == Use isNum to verify a nu..."
2021-11-25T08:57:40Z
<p>Created page with "<a href="/index.php?title=Category:Javascript&action=edit&redlink=1" class="new" title="Category:Javascript (page does not exist)">Category:Javascript</a> <a href="/index.php?title=Category:Tips&action=edit&redlink=1" class="new" title="Category:Tips (page does not exist)">Category:Tips</a> == Shorten the console.log == <pre> const log = console.log.bind(document) log("some message") </pre> == Use isNum to verify a nu..."</p>
<p><b>New page</b></p><div>[[Category:Javascript]]<br />
[[Category:Tips]]<br />
<br />
== Shorten the console.log ==<br />
<pre><br />
const log = console.log.bind(document)<br />
log("some message")<br />
</pre><br />
<br />
== Use isNum to verify a number ==<br />
<pre><br />
function isNum(n) {return !isNaN(parseFloat(n)) && isFinite(n);}<br />
</pre><br />
<br />
== Use isNull ==<br />
<pre> <br />
const isNull = value => value === null || value === undefined;<br />
</pre><br />
<br />
== Remove duplicates from an array ==<br />
const delDuplicates = array => [...new Set(array)]</div>
AliIybar