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1. #CONVERT STRING TO ARRAY JS HOW TO#
2. #CONVERT STRING TO ARRAY JS CODE#
3. #CONVERT STRING TO ARRAY JS PLUS#

call ( 'word', eachLetter => eachLetter ) // ['w', 'o', 'r', : ('string') wil do the trick Extra info: it's safer to use the spread operator (second method) rather than ('') (first method), because split() doesn't work with some uncommon I had a string that contained special characters like åæāă etc. var test ' 1,2' parsedTest JSON.parse (test) //an array 1,2 //access like and array console.log (parsedTest 0) //1 console. Since this is just an article, I'll paste the result here so you can follow along.Īrray. Since array literal notation is still valid JSON, you can use JSON.parse () to convert that string into an array, and from there, use it's values.

#CONVERT STRING TO ARRAY JS CODE#

Feel free to copy the code and paste in the playground, where you can hover on the variable to view the types. This is more evident if we use the TypeScript Playground. # TypeScript Test: Result array is not a string type 😱 Try it Syntax split(separator) split(separator, limit) Parameters separator The pattern describing where each split should occur.

#CONVERT STRING TO ARRAY JS PLUS#

Which means we have an Array PLUS some string methods. The split () method takes a pattern and divides a String into an ordered list of substrings by searching for the pattern, puts these substrings into an array, and returns the array. So what we're doing here Object.assign(, string) it copying ALL of our string properties over to our new array. The key there is "copies all enumerable own properties". The Object.assign() method copies all enumerable own properties from one or more source objects to a target object One thing to note Object.assign is that it doesn't actually produce a pure array. The newer methods spread and om are better equipped to handle these and will split your string by grapheme clusters 👍 # A caveat about Object.assign ⚠️ More clearly, om(obj, mapFn, thisArg) has the same result as om(obj).map(mapFn, thisArg), except that it does not create an intermediate array, and mapFn only receives two arguments ( element, index) without the whole array, because the array is still under construction.This is what's called grapheme clusters - where the user perceives it as 1 single unit, but under the hood, it's in fact made up of multiple units. If the arrayLike object is missing some index properties, they become undefined in the new array.Īom() has an optional parameter mapFn, which allows you to execute a function on each element of the array being created, similar to map(). To convert an async iterable to an array, use omAsync().Īom() never creates a sparse array. A JavaScript array contains elements from all types of data types that include strings, boolean, numbers, etc. To convert an ordinary object that's not iterable or array-like to an array (by enumerating its property keys, values, or both), use Object.keys(), Object.values(), or Object.entries().

#CONVERT STRING TO ARRAY JS HOW TO#

Before diving into errors commonly associated with changing a string into an array, it might be helpful to go into how to create strings and arrays in JavaScript. The act of changing the string is simple, but if not done properly, you might see errors or even latent errors.