jQuery | post() Method
The post() method in jQuery loads the page from server using POST HTTP request and returns XMLHttpRequest object.
Syntax:
$.post( url, data, callback_function, data_type )
Parameters: This method accepts four parameters as mentioned above and described below:
- url: It is the required parameter and used to send the request.
- data: It is optional parameter and it represents key/value pairs of data that will be sent to the server.
- callback_function: It is optional parameter and it represents a function to be executed when the data is loaded successfully.
- data_type: It is optional parameter and it represents a type of data to be returned to callback function: xml, html, script, json, jsonp, or text.
main.php This PHP file call in the below example when button pressed.
<?php echo "Hello Geeks!"; ?> |
Example: This example use post() method and call a PHP file.
<!DOCTYPE html> <html> <head> <title> jQuery post() Method </title> <script src= </script> </head> <body> <h2 id="gfg">GeeksforGeeks</h2> <button id="b"> Click Here! </button> <!-- Script to use post() method --> <script> $(document).ready(function() { $("button").click(function() { $.post("/submit.php", { name: "GFG", }, function(data,status) { document.getElementById("gfg").innerHTML = data; document.getElementById("b").innerHTML = "Data Passed"; }); }); }); </script> </body> </html> |
Output:
Before clicking on the button:
After clicking on the button:
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