JSFiddle - React, Tailwind, and code Playground

HTML

<input class="publish" id="chkBox1" type="checkbox" checked/>
    <input class="publish" id="chkBox2" type="checkbox" checked/>
    <input class="publish" id="chkBox3" type="checkbox" checked/>
    <input class="publish" id="chkBox4" type="checkbox" checked/>
    <input class="publish" id="chkBox5" type="checkbox" />

JavaScript

var checkArray = new Array(); 
$('input[type=checkbox]').each(function () {
    this.checked ? checkArray.push("1") : checkArray.push("0");
});

alert(checkArray);