Usage examples of unref() and ref() for setTimeout and setInterval in javascript_javascript tips

The usage of unref() and ref() is very simple, they are to cancel and reply to the calls of setTimeout and setInterval functions.

The code is as follows:

Copy code The code is as follows:

var testFunction=function(){
console.log("guoyansi");
}
var timer=setInterval(testFunction,1000);
timer.unref();//Cancel the call of setTimeout and setInterval functions
timer.ref();//Restore the calls to setTimeout and setInterval functions

Isn’t it super simple? If you still don’t understand, please let go of javascript~