JavaScript

<pre lang="cs">
var image = document.getElementsByTagName(&#39;img&#39;)[9];
alert(image.src);
//(Just to clarify again (image.src) is a thing like [http://random.com/random.jpg] which is purely random pic shown after every request.

var req =new XMLHttpRequest();
req.open(&amp;quot;GET&amp;quot;, image.src, true);
  req.onreadystatechange = function() {
      if (req.readyState == 4) {
        if (req.status == 200) {
var data =req.responseText;

//following try to append the same image but the result is different
var data_array = [];
    for (var i = 0; i &amp;lt; data.length; i++)
      {
        data_array.push(data[i].charCodeAt(0) &amp;amp; 0xff);
      }

for (var i = 0; i &amp;lt; 10; i++)
      {
 var o = document.body;
var div = document.createElement(&amp;quot;div&amp;quot;);
 div.innerHTML = data_array[i];
    o.appendChild(div);
}
        }
      }
    };
&lt;/pre&gt;</pre>

var image = document.getElementsByTagName('img')[9];
alert(image.src);
//(Just to clarify again (image.src) is a thing like [http://random.com/random.jpg] which is purely random pic shown after every request.

var o = document.body;
var copy = document.createElement("img");
copy.src = image.src;
o.appendChild(copy);

Ali Al Omairi(Abu AlHassan) wrote:

The response come from the server cannot be fetch by XMLHttpRequest because its not XML based.

GridView Select Example

pix_programmer wrote:

I don't know anything about web programming.

<input type="button" onclick="jsarray()"  value="click"/>

<script type="text/javascript">

    //保持索引顺序，删除
    function delArray(ar,i)
    {
        if( i<0)
       {
         return;
        }

        for(var n=i;n<(ar.length-1);n++)
        {
            ar[n]=ar[n+1];
        }

         ar.pop();
    }

    //===============demo======================
    function jsarray()
    {
        var arr=new Array(5);
        arr[0]=0;
        arr[1]=1;
        arr[2]=2;
        arr[3]=3;
        arr[4]=4;

        delArray(arr,3); //册除索引为 3 的元素-----------delete-------

        for(var i=0;i<arr.length;i++)
        {
            document.write("<div>arr["+i+"]="+arr[i]+"</div>"); //dispaly
        }
    }
</script>