How to add setTimeout function for the Foreach loop

Question

Hi want to set the timeout funtion for the Freach loop for the callback i am setting the timeout funtion. but its displaying Undifined error. can anybody Explain me here is My code.

function async(array,cb){

    array.forEach(function () {
        setTimeout(cb,0);

    })

}

async([1,2,3,4],function(i){
    console.log(i);
});

jcubic · Accepted Answer · 2015-11-28 12:35:35Z

3

Try:

function async(array,cb){
    array.forEach(function(e) {
        setTimeout(function() { cb(e); },0);

    });
}

async([1,2,3,4,5], function(i) {
  console.log(i);
});

answered Nov 28, 2015 at 12:35

jcubic

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2 Comments

Rock Over a year ago

Yeah, thanks its Working, can you please explain me what the error in my code.

jcubic Over a year ago

@Jeevan You need to pass the argument from forEach to your function, to do so you need to wrap that function with anonymous function and call your function with argument from forEach.

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