Re: image refresh

From	Arno Welzel <usenet@arnowelzel.de>
Newsgroups	comp.lang.javascript
Subject	Re: image refresh
Date	2019-10-21 16:34 +0200
Message-ID	<h15u0gFmtmgU1@mid.individual.net> (permalink)
References	<7vCdnZ7_BaCawTDAnZ2dnUU7-T_NnZ2d@westnet.com.au>

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On 21.10.19 09:19, Andrew Poulos wrote:

> I have an image that, when the page loads, loads a default image then 
> (based on user input) creates and loads a different image. The user can 
> keep entering new input and the image created changes accordingly but 
> the file name stays the same.
> 
> Is the "only" way to refresh just the image to change the src by adding 
> a time stamp eg. src = imgUrl + "?t=" + timestamp;

Another way is to add appropriate expire headers on the server (either
an expiration date in the past or "Cache-control: max-age=0,
must-revalidate").

If you can't change what the server sends, that you have indeed to use
URL parameters.

-- 
Arno Welzel
https://arnowelzel.de

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image refresh Andrew Poulos <ap_prog@hotmail.com> - 2019-10-21 18:19 +1100
  Re: image refresh Andrew Poulos <ap_prog@hotmail.com> - 2019-10-21 19:38 +1100
    Re: image refresh "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2019-10-21 12:06 +0200
  Re: image refresh Arno Welzel <usenet@arnowelzel.de> - 2019-10-21 16:34 +0200

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