A brief talk on JS native ajax,get and Post_javascript skills

Ajax GET request for

Javascript/js:

<script type= "Text/javascript" > * * Create XMLHttpRequest Object * * var xmlHttp; function Getxmlhttpobject () {if (window). 
　　XMLHttpRequest) {//code for ie7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest (); 
　　}else{//code for IE6, IE5 xmlhttp=new activexobject ("Microsoft.XMLHTTP"); 
return XMLHTTP; 
　　//-----------Ajax method-----------//function Getlabelsget () {xmlhttp=getxmlhttpobject (); if (xmlhttp==null) {alert (' Your browser does not support ajax! 
　　　　'); 
　　Return 
　　var id = document.getElementById (' id '). value; 
　　var url= "http://www.Leefrom.com?id=" +id+ "&t/" +math.random (); 
　　Xmlhttp.open ("Get", url,true); 
Xmlhttp.onreadystatechange=favorok;//sends the event, receives the information to call the function xmlhttp.send (); function Getokget () {if (xmlhttp.readystate==1| | xmlhttp.readystate==2| | xmlhttp.readystate==3) {//local prompt: Load in} if (xmlhttp.readystate==4 && xmlhttp.status==200) {var d= xm 
　　　　Lhttp.responsetext; Processing return results}} </script>

Javascript/js's Ajax POST request:

<script type= "Text/javascript" > * * Create XMLHttpRequest Object * * var xmlHttp; function Getxmlhttpobject () {if (window). 
  XMLHttpRequest) {//code for ie7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest (); 
  }else{//code for IE6, IE5 xmlhttp=new activexobject ("Microsoft.XMLHTTP"); 
return XMLHTTP; 
  //-----------Ajax method-----------//function Getlabelspost () {xmlhttp=getxmlhttpobject (); if (xmlhttp==null) {alert (' Your browser does not support ajax! 
    '); 
  Return 
  var url= "http://www.lifefrom.com/t/" +math.random (); 
  Xmlhttp.open ("POST", url,true); 
  Xmlhttp.setrequestheader ("Content-type", "application/x-www-form-urlencoded"); 
  Xmlhttp.send (); xmlhttp.onreadystatechange=getlabelsok;//after sending the event, you receive the message Call function} function Getokpost () {if xmlhttp.readystate==1| | xmlhttp.readystate==2| | xmlhttp.readystate==3) {//local prompt: Load/process} if (xmlhttp.readystate==4 && xmlhtt p.status==200) {var d=xmlhttp.responsetext;//return value//processing return value}} </script> 

Note: XMLHttpRequest is the basis of Ajax, when creating XMLHttpRequest objects, you must write the Ajax method in the same ' <script></script> ' tag! Otherwise, the AJAX request will go wrong and the data cannot be returned. JAVASCRIPT/JS Ajax Post/get Request.

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