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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>$.extend(true, ...)</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> </head> <body> <button id="run">Deep merge</button> <pre id="out"></pre> <script> $("#run").click(function(){ var a = { user:{name:"Sonu", prefs:{theme:"light"} } }; var b = { user:{prefs:{theme:"dark",lang:"en"}} }; var merged = $.extend(true, {}, a, b); $("#out").text(JSON.stringify(merged, null, 2)); }); </script> </body> </html>
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