log ( 'this is the first message' ) }, 5000 ) setTimeout ( ( ) => Timeouts in inactive tabs param1, …, paramN OptionalĪdditional arguments which are passed through to the function specified byĬonsole. Note that in either case, the actual delay may be longer than intended see Reasons for delays longer than specified below.Īlso note that if the value isn't a number, implicit type coercion is silently done on the value to convert it to a number - which can lead to unexpected and surprising results see Non-number delay values are silently coerced into numbers for an example. Is used, meaning execute 'immediately', or more accurately, the next event cycle. If this parameter is omitted, a value of 0

The specified function or code is executed. The time, in milliseconds that the timer should wait before

Recommended for the same reasons that make using Which is compiled and executed when the timer expires. codeĪn alternative syntax that allows you to include a string instead of a function, Spoiler: JavaScript never really 'pauses'.A function to be executed after the timer expires. In this post, I'll discuss how you can achieve that and what it really means to 'pause' or 'sleep' in JavaScript. One of those features are Promises, which are probably the most widely used feature in JavaScript after ES5 was released.īut one of the things which JavaScript misses is a way to 'pause' execution for a while and resume it later.

More and more ideas and features are being ported from different languages and being integrated in JavaScript. And it hasn't been the same since ES5 was released.

Javascript wait 5 seconds