JSFiddle - React, Tailwind, and code Playground
by rolfsf
HTML
<div> </div>
JavaScript
var ar = [[0,'a'],[1,'b'],[2,'c'],[3,'d'],[4,'e'],[5,'f']];
var removeItem = 3;
ar = jQuery.grep(ar, function(n) {
return n[0] != removeItem; //or n[1] for second item in two item array
});
$('div').text(ar);