JS 内存泄漏

<!DOCTYPE HTML>

<html>

<body>



Makes XHR request every 50ms. Watch the memory. Fixes XHR leak in older IEs.



<script>

onload = function() {

  setInterval(function(){

     var xhr = new XMLHttpRequest()

     xhr.open('GET', 'jquery.js', true)

     xhr.onreadystatechange = function() {

        if(this.readyState == 4 && this.status == 200) {            

           document.getElementById('test').innerHTML++

        }

     }

     xhr.send(null)

     xhr = null

  }, 50)

}

</script>

<div id="test">0</div>



</body>

</html>

 

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