NodeList to Array
HTML
<button>1</button>
<button>2</button>
<button>3</button>
<button>4</button>
<button>5</button>
<button>6</button>
<button>7</button>
JavaScript
// Get all buttons as a NodeList
var btns = document.querySelectorAll('button');
console.log(btns);
// Convert buttons NodeList to an array
var btnsArr = Array.prototype.slice.call(btns);
console.log(btnsArr);
console.log(btnsArr)