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дÁËһϣ¬´ó¸ÅÊÇÕâ¸öÑù×Ó£¬Â¥Ö÷¿ÉÒԲο¼Ò»Ï¡£ <inputtype="text" id="phone"> <inputtype="button" onclick="test()"> <divid="result" style="diaplay:noone;"> </div>
JScript codefunction test(){var xmlhttp= ajaxInit();var phone= document.getElementById("phone").value;var url="check.php?phone="+phone;
  xmlhttp.onreadystatechange=stateChanged;
  xmlhttp.open("GET",url,true);
  xmlhttp.send(null);
}function stateChanged() {if (xmlhttp.readyState==4&& xmlhttp.status==200){var result= document.getElementById("result");
      result.style.display="block&qu