use ?Math.random() on ur uri
or timestamp + Math.random()
On Dec 20, 2010, at 3:35 AM, Amit Agarwal wrote:
> Hi every one,
>
> I need to poll an image using javascript and need to perform an action once
> the image is found at its position. This is the code I have written for this
> task.
>
> /*----Image handling script starts here----*/
> var beacon = new Image();
>
>
> beacon.onload = function() {
>
>
> console.log('Image found');
> console.log(this.width,this.height);
>
>
> window.clearInterval(timer);
> };
>
>
> beacon.onerror = function(){
> console.log('Image not found');
>
>
> }
> var timer = window.setInterval(function(){
>
>
> console.log('sending the request again');
> beacon.src = "http://www.google.co.in/logos/2010/lennon10-hp.gif";;
>
>
> },2000);
> /*----Image handling script ends here----*/
> Problem is that, after one GET request, the response gets cached and requests
> don't get sent everytime I set src. If you examine NET tab, it sends request
> only on first src set and caches the response.
>
> I need to send a fresh request for image every time my code sets the src. Any
> workarounds?
>
>
> -Regards
> Amit Agarwal
> +91-779-822-8765
>
>
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![http://www.google.co.in/logos/2010/lennon10-hp.gif"](https://www.google.co.in/logos/2010/lennon10-hp.gif"){kind=link}