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<!DOCTYPE html> <html> <head> <title>Let's Coding Example</title> </head> <body> <div id="html-div"> </div> <script> //Example POST method implementation: async function postData(url = " ", data = {}) { //Default options are marked with * const response = await fetch(url, { method: " POST ", //*GET, POST, PUT, DELETE, etc. mode: " cors ", //no-cors, *cors, same-origin cache: " no - cache ", //*default, no-cache, reload, force-cache, only-if-cached credentials: " same - origin ", //include, *same-origin, omit headers: { " Content - Type ": " application / json ", //'Content-Type': 'application/x-www-form-urlencoded', }, redirect: " follow ", //manual, *follow, error referrerPolicy: " no - referrer ", //no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url body: JSON.stringify(data), //body data type must match "Content-Type" header }); return response.json(); //parses JSON response into native JavaScript objects </script> </body> </html>
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