JavaScript setInterval immediately run

Question

I found a solution to run interval in javascript immidiately, not waiting for a first \"timeout\"

setInterval(function hello() {
  console.log(\'world\');
  retu         


        

Answer 1

If you add the parenthesis to the below code part it does

    doMagic: function () {
        setInterval(function magic() {
            console.log('magic');
            return magic;
        }(), 2500);                   // added them here
    }