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<!DOCTYPE html> <html> <body> <h1>Using the <em>reviver</em> Function</h1> <p>Uppercase the value of "city":</p> <p id="demo"></p> <script> var text = '{ "name":"John", "age":"39", "city":"New York"}'; var obj = JSON.parse(text, function (key, value) { if (key == "city") { return value.toUpperCase(); } else { return value; } }); document.getElementById("demo").innerHTML = obj.name + ", " + obj.city; </script> </body> </html>
