Some websites allow js cracking code for anti-hotlink images of blank referer_javascript skills

Javascript source code:

Copy code The code is as follows:

function showImg( url ) {
var imgid = Math.random(),
frameid = 'frameimg' imgid;
window['img' imgid] = 'window.onload = function() { parent.document.getElementById('' frameid '').height = document.getElementById('img').height 'px'; }<' '/script> ';
document.write('');
}

Call method:

Copy code The code is as follows:

showImg('image address');

Full demo code:

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <h1> </h1>Direct hotlinking: <br><img src="http://image-7.verycd.com/5f95d1b249b411d069ecdb2c7a370e3c160890(600x)/thumb.jpg" alt="Some websites allow js cracking code for anti-hotlink images of blank referer_javascript skills" > <br><h1> </h1>js cracked hotlink: <br><div id="hotlinking"> </div> <br>