Map Array To String Javascript

Map () calls a function once for each element in an array. Printing map object to console using the console.dir () function. The tostring () method is used internally by javascript when an object needs to be displayed as a text (like in html), or when an object needs to be used as a string.

The array.map () method allows you to iterate over an array and modify its elements using a callback function. You might consider using a for loop as follows: The map method will return a new array containing only strings.

Javascript array.map () the array.map () method is iterated over the element of the array and modifies elements of the array by applying some operation and returning the modified element as a new array.

Send the 2nd format to bootstrap. This posts talks about how do we convert the array into string in javascript/angular?. Javascript array to map example array.map function () calls the callback for each element of array iteration and creates key and value elements, finally returning a new array of keys and values into the map constructor. If i want to map this array to my state and assign each indexes string as a property of this.state.options how would i go about doing that?