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<!DOCTYPE html> <html> <body> <h1>Using the <em>replacer</em> Function</h1> <p>Uppercase the value of "city":</p> <p id="demo"></p> <script> var obj = { "name": "John", "age": "39", "city": "New York" }; var text = JSON.stringify(obj, function (key, value) { if (key == "city") { return value.toUpperCase(); } else { return value; } }); document.getElementById("demo").innerHTML = text; </script> </body> <!-- /jsref/tryit.asp?filename=tryjson_stringify_replacer </html>
