convert arraylist to array in javascript code example

Example 1: js convert nodelist to array

// Get all buttons as a NodeList
var btns = document.querySelectorAll('button');

// Convert buttons NodeList to an array
var btnsArr = Array.from(btns);

Example 2: java arraylist to array

List<String> list = new ArrayList<>();
list.add("a");
list.add("ab");
list.add("abc");
list.add("abcd");
// convert
String[] array = list.toArray();