JSFiddle - React, Tailwind, and code Playground
JavaScript
var data = [1, 2, 3, 2]
var dump = [];
for (var i = 0; i < data.length; i++) {
if (dump.length == 0) {
dump.push(data[i])
} else {
for (var a = 0; a < dump.length; a++) {
if (dump[a] == data[i]) {
break;
}
}
if (a == dump.length) dump.push(data[i]);
}
}
console.log(dump)