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Frequently Asked Questions

How do I create an array in JavaScript?

Creating arrays in JavaScript is easy with the array literal notation. It consists of two square brackets that wrap optional array elements separated by a comma. Array elements can be any type, including number, string, Boolean, null, undefined, object, function, regular expression and other arrays.

What is array in JS?

An array in JavaScript® is a special type of variable that can hold multiple pieces of information or data values and is a storage place in memory. Those data values can be of the same type or of different types, but having different types of data in an array in JavaScript® is unusual.

What is an array range?

Definition and Usage. The range() function creates an array containing a range of elements. This function returns an array of elements from low to high. Note: If the low parameter is higher than the high parameter, the range array will be from high to low.


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