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The void operator is used to discard the result of an expression. It is often used to prevent errors when calling functions that do not return a value.

1. Void Operator

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The parentheses after a class name while invoking a constructor are optional if no arguments need to be passed.

2. Constructor Brackets

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3. The Array.from() method

The Array.from() method is used to create an array from an iterable object. It is often used to convert a string or a set to an array.

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4. Object.fromEntries()

Object.fromEntries() transforms a list of key-value pairs into an object, complementing Object.entries() & providing a concise way to create objects from iterable structures.

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5. trimStart() & trimEnd()

trimStart() and trimEnd() are methods for removing whitespace characters from the beginning and end of a string, respectively, enhancing string manipulation capabilities.

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6. With Statement

The with statement block adds properties of an object to the scope chain, but it's deprecated due to performance and security issues.

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7. Function Constructor

Functions can be dynamically defined using the Function() constructor along with the new operator, with the last parameter being the stringified code of the function.

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8. Optional catch Binding

The ability to omit the catch parameter when it's not needed makes error handling code cleaner & more readable, especially in scenarios where caught error is not used.

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9. Object.fromEntries()

Object.fromEntries() transforms a list of key-value pairs into an object, complementing Object.entries() & providing a concise way to create objects from iterable structures.

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10. Function Properties

Functions being first-class objects, custom properties can be added. Useful for creating configurable functions or functions with static variables.

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