refer this in setTimeOut code example
Example 1: javascript run something after x seconds
setTimeout(function(){
location.reload();
}, 3000); //run this after 3 seconds
Example 2: javascript this in settimeout
function func() {
this.var = 5;
this.changeVar = function() {
setTimeout(() => { //Don't use function, use arrow function so 'this' refers to 'func' and not window
this.var = 10;
}, 1000);
}
}
var a = new func();
a.changeVar();