JSFiddle - React, Tailwind, and code Playground

JavaScript

var text= "how <br> are <br> you <br> my brother";
var items = text.split(" ");

items=f(items,"");
items=items.replace("<br>","");

var items = items.split(" ");

var items=f(items," ");
alert(items);




function f(items,ext){
    var newitem = new Array();
    var j=0;
    for(i=items.length-1;i>=0;i--)
    {
        newitem[j]=items[i]+ext;
        j++;
    }
    items=newitem.join(" ");
    return (items);
}