Sets are a new object type with ES6 (ES2015) that allow creating collections of unique values. The values in a set can be either simple primitives like strings or integers as well as more complex object types like object literals or arrays.
Escape characters are characters that can be interpreted in some alternate way then what we intended to. To print these characters as it is, include backslash ” in front of them.
Use the Object. entries() function. It returns an array containing the object’s enumerable properties. If it returns an empty array, it means the object does not have any enumerable property, which in turn means it is empty.
Answer: Use the Array. isArray() Method
Is the only property of string object?
|14.tostring ()||Returns the value of the specified string object.|
A set is not an ordered abstract data structure. A Set however always has the same iteration order – element insertion order , so when you iterate it (by an iterating method, by calling Symbol.