How to determine whether the image in the web page is loaded successfully or failed?

How to determine whether the image in the web page is loaded successfully or failed: first you need to determine whether the image can be loaded successfully; then automatically change it to a system image such as "Unable to find image", the code is [for(var i=0;i

How to determine whether the image in the web page is loaded successfully or failed:

When there are user-defined pictures on the page, user-defined pictures often appear, especially off-site pictures that are deleted or inaccessible. Therefore, it is necessary to determine whether the picture can be loaded successfully, otherwise it will automatically change to "Unable to System pictures such as "Find Picture".

The method is very simple

Add a very simple JS code to the BODY

document.body.οnlοad=getImg;
function getImg()
{ 
 for(var i=0;i<document.images.length;i++)
 {
  if(document.images[i].readyState!=&#39;complete&#39;)
   document.images[i].src="/images/no.JPG";
 }
}

Or judge the readyState on the onload of each picture

Related learning recommendations: javascript video tutorial

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