What Is The Difference Between Using Dot Notation And Bracket Notatio

1.	What Is The Difference Between Using Dot Notation And Bracket Notation When Accessing An Object’s Property?
Answer» If using dot NOTATION, the property MUST be a STRING and refer to a property that EXISTS. When using bracket notation, any valid JavaScript EXPRESSION that produces a value can be used inside the brackets, such as a variable or an an array element. If using dot notation, the property must be a string and refer to a property that exists. When using bracket notation, any valid JavaScript expression that produces a value can be used inside the brackets, such as a variable or an an array element.

What Is The Difference Between Using Dot Notation And Bracket Notation When Accessing An Object’s Property?

Answer»

If using dot NOTATION, the property MUST be a STRING and refer to a property that EXISTS.

When using bracket notation, any valid JavaScript EXPRESSION that produces a value can be used inside the brackets, such as a variable or an an array element.

If using dot notation, the property must be a string and refer to a property that exists.

When using bracket notation, any valid JavaScript expression that produces a value can be used inside the brackets, such as a variable or an an array element.

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