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<html><body><h2>Click the Button.</h2><p>A script tag with a src attribute is created and placed in the document.</p><p>The PHP file returns a call to a function with the JSON object as a parameter.</p><button onclick="clickButton()">Click me!</button><p id="demo"></p><script>function clickButton() { let s = document.createElement("script"); s.src = "demo_jsonp.php"; document.body.appendChild(s);}function myFunc(myObj) { document.getElementById("demo").innerHTML = myObj.name;}</script></body></html>