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JavaScript : Object-Oriented Programming
book

JavaScript : Object-Oriented Programming

by Kumar Chetan Sharma et al
August 2016
Beginner to intermediate
847 pages
17h 28m
English
Packt Publishing
Content preview from JavaScript : Object-Oriented Programming

Timers

Timers are used to schedule the execution of a particular callback after a specific delay. There are two primary methods to set up such delayed execution: setTimeout and setInterval. The setTimeout() function is used to schedule the execution of a specific callback after a delay, while setInterval is used to schedule the repeated execution of a callback. The setTimeout function is useful to perform tasks that need to be scheduled such as housekeeping. Consider the following example:

setTimeout(function() {
  console.log("This is just one time delay");
},1000);
var count=0;
var t = setInterval(function() {
  count++;
  console.log(count);
  if (count> 5){
	clearInterval(t);
  }
}, 2000 );

First, we are using setTimeout() to execute a callback (the anonymous ...

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Publisher Resources

ISBN: 9781787123595Supplemental Content