JSFiddle - React, Tailwind, and code Playground
HTML
<script src="//code.jquery.com/jquery-1.11.3.min.js"></script>
<div id="output">
</div>
JavaScript
var a = [1,2,3];
if(a.length ==1 and a[0] ==1)
console.log('asbuilt');
var nonab = $.grep(a,function(i){
return i !== 1;
});
console.log(nonab);