JSFiddle - React, Tailwind, and code Playground
JavaScript
var checker;
function myFunc() {
if(checker) {
checker();
}
console.log('do myFunc: ' + str);
var str = 'test.';
if(!checker) {
checker = function() {
console.log('do check: ' + str);
}
}
return arguments.callee;
}
myFunc()();