<img src=1 onerror="alert()"/>

<img src=1 onerror="alert()"/>

&lt;img src=1 onerror=&quot;alert(1)&quot;/&gt; &lt;img src=1 onerror=&quot;alert(2)&quot;/&gt; &lt;img src=1 onerror=&quot;alert(3)&quot;/&gt; &lt;img src=1 onerror=&quot;alert(4)&quot;/&gt;