How To Automatically Call Javascript Function Every Hour?

I have a javascript function that gets a JSON object from a URL and I want to refresh the JSON object every hour with up to date data. I am assuming the way to do this is to recal

Solution 1:

function doSomething()
{
    alert('Test');
}


setInterval(doSomething, 60*60*1000);

Solution 2:

You could re-call your function with setting an interval:

<scripttype="text/javascript">functiongetJSONObjectFromURL(){
      // do stuff
   }
   //set interval in milliseconds and call function again//1h = 60m = 3600s = 3600000msvar timeoutID = window.setInterval(getJSONObjectFromURL, 3600000);
</script>

Solution 3:

You may try:

setInterval(function(){alert("Hello")},3600000);

Where 3600000 is the time interval in miliseconds.

Solution 4:

Go with setInterval as shown below :-

Syntax

setInterval(function,milliseconds,lang)

Parameter Values

Parameter         Description

function         Required. The function that will be executed 
milliseconds     Required. The intervals (in milliseconds) on how often to execute the code 
lang             Optional. JScript | VBScript | JavaScript 

Return Value

An integer with the ID value of the timer that is set. Use this value with the clearInterval() method to cancel the timer.

Example

function test() 
{
     ////Your code
}
setInterval(function(){test()}, 60 * 60 *1000); //// 60 minutes = 3600 seconds = 3600000 miliseconds 

For more details :-

http://www.w3schools.com/jsref/met_win_setinterval.asp