JSFiddle - React, Tailwind, and code Playground
JavaScript
var check = [];
for (var i = 1; i < 51; i++) {
check.push('check' + i + 'FF');
}
document.write(check + '<br>');
var check = [];
for (var i = 1; i < 51; i++) {
check.push('check' + i + 'FF');
}
document.write(check + '<br>');