JavaScript isExtensible() method

The Javascript handler isExtensible() method traps for Object.isExtensible(). It is commonly used for logging or auditing calls. Syntax: isExtensible: function(target) Parameters: target: It represents the target object. Return: Boolean. Example: <!DOCTYPE html> <html> <body> <script> const handler={ too:1 } const extent = new Proxy(handler, { isExtensible: function(a) { document.writeln(‘HELLO WORLD! : ‘); return true; }}); … Read more