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What are the parameters of jquery post method?

青灯夜游Original: 2021-11-22 11:31:332974browse

The parameters of the jquery post method are: 1. URL, which stipulates which URL the request will be sent to; 2. data, which stipulates the data sent to the server along with the request; 3. function(), which stipulates that it will be run when the request is successful. function; 4. dataType, specifies the data type of the expected server response.

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

The post() method loads data from the server using an HTTP POST request.

Syntax:

$(selector).post(URL,data,function(data,status,xhr),dataType)

post() method supports 4 parameters:

Parameter	Description
URL	Required. Specifies the URL to which requests are sent.
data	Optional. Specifies the data to be sent to the server with the request.
function(data,status,xhr)	Optional. Specifies a function to run when the request succeeds. Additional parameters: data - Contains the result data from the request status - Contains the status of the request ("success", "notmodified", "error", "timeout", "parsererror") xhr - Contains the XMLHttpRequest object
dataType	Optional. Specifies the data type of the expected server response. By default, jQuery will figure it out intelligently. Possible types: "xml" - an XML document "html" - HTML as plain text "text" - a plain text string "script" - Runs the response as JavaScript and returns it as plain text "json" - Runs the response as JSON and returns it as a JavaScript object "jsonp" - Uses JSONP to load a JSON chunk , will add a "?callback=?" to the URL to specify the callback

Example:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="js/jquery-1.10.2.min.js"></script>
<script>
$(document).ready(function(){
	$("button").click(function(){
		$.post("/try/ajax/demo_test_post.php",{
			name:"PHP中文网",
			url:"https://www.php.cn/"
		},
		function(data,status){
			alert("数据: \n" + data + "\n状态: " + status);
		});
	});
});
</script>
</head>
<body>

<button>发送一个 HTTP POST 请求页面并获取返回内容</button>

</body>
</html>

Run, After clicking the button, a pop-up display appears:

What are the parameters of jquery post method?

Recommended related video tutorials: jQuery Tutorial (Video)

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