jquery get can have several parameters-Front-end Q&A-php.cn

jquery get can have several parameters

青灯夜游

Release： 2022-05-25 15:47:22

Original

2137 people have browsed it

get() can have 4 parameters: 1. The first parameter cannot be omitted and is used to specify the URL that needs to be requested; 2. The second parameter can be omitted and is used to specify the URL that is sent to the server along with the request. Data; 3. The third parameter can be omitted, specifying the callback function to be run when the request is successful; 4. The fourth parameter can be omitted, specifying the data type of the expected server response.

jquery get can have several parameters

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

The jQuery get() method loads data from the server using an HTTP GET request.

The get() method accepts 4 parameters (one required, three optional)

$.get(URL,data,function(data,status,xhr),dataType)

Copy after login

Parameters	Description
URL	Required. Specifies the URL you need to request.
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

Request "test.php", but ignore the return result:

$.get("test.php");

Copy after login

Request "test.php" and send some additional data along with the request (ignore the return result):

$.get("test.php", { name:"Donald", town:"Ducktown" });

Copy after login

Request "test.php" and pass the data array to the server (ignore the return result):

$.get("test.php", { &#39;colors[]&#39; : ["Red","Green","Blue"] });

Copy after login

Request "test.php" and remind the result of the request:

$.get("test.php", function(data){
alert("Data: " + data);
});

Copy after login

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() {
					$.get("/try/ajax/demo_test.php", function(data, status) {
						alert("数据: " + data + "\n状态: " + status);
					});
				});
			});
		</script>
	</head>
	<body>

		<button>发送一个 HTTP GET 请求并获取返回结果</button>

	</body>
</html>

Copy after login

jquery get can have several parameters

【Recommended Learning ：jQuery video tutorial、web front-end video】

The above is the detailed content of jquery get can have several parameters. For more information, please follow other related articles on the PHP Chinese website!