POST请求（Javascript） [英] POST Request (Javascript)

问题描述

虽然我很喜欢，但我不知道如何使用Javascript来发布POST请求。从@sundeep回答代码示例，但在此处发布代码以获得完整性

  var url =sample-url.php ; 
 var params =lorem = ipsum& name = alpha; 
 var xhr = new XMLHttpRequest（）; 
 xhr.open（POST，url，true）; 
 
 //发送正确的头信息和请求
 xhr.setRequestHeader（Content-type，application / x-www-form-urlencoded）; 
 
 xhr.send（params）; 
  

How do you make a simple POST request in Javascript without using a forms and without posting back?

解决方案

Though I am taking the code sample from @sundeep answer, but posting the code here for completeness

var url = "sample-url.php";
var params = "lorem=ipsum&name=alpha";
var xhr = new XMLHttpRequest();
xhr.open("POST", url, true);

//Send the proper header information along with the request
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

xhr.send(params);

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