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callback in response node.js

Lovely Ladybird answered on May 25, 2020 Popularity 7/10 Helpfulness 1/10

answer callback in response node.js

callback in response node.js

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//you can only return a value from an async function by passing in a callback function like so: 
function longRunningFunction(param1, callback){
    setTimeout(function(){
         var results="O High there!";
         callback(results);
    }, 2000);
} 

//then call the async function and pass the callback function like so
longRunningFunction("morning", function(result){
  alert(result);
});

Popularity 7/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: callback javascript node.js response

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Contributed on May 25 2020

Lovely Ladybird

0 Answers Avg Quality 2/10

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