试试这个

 < img id =ItemPreviewsrc = /&GT; 
 

脚本

  document.getElementById（ItemPreview）。src =data：image / png; base64，+ YourByte; 
 

jQuery

  $（'＃ItemPreview'）。attr（'src'，`data：image / png; base64，$ {YourByte}`）; 
 

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My ajax call will get an image from the server as a byte array.

How do I display the image (which is in the byte array) using javascript, on the web page?

Try this

<img id="ItemPreview" src="" />

Script

document.getElementById("ItemPreview").src = "data:image/png;base64," + YourByte;

jQuery

$('#ItemPreview').attr('src', `data:image/png;base64,${YourByte}`);

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