Window setTimeout() Method
e.g.setTimeout(function(){ alert("Hello World"); }, 3000);
Definition and Usage
The setTimeout() method calls a function or evaluates an expression after a specified number of milliseconds.
Tip: 1000 ms = 1 second.
Tip: The function is only executed once. If you need to repeat execution, use the setInterval() method.
Tip: Use the clearTimeout() method to prevent the function from running.
source: http://www.w3schools.com/jsref/met_win_settimeout.asp
