If no delimiter is passed the entire string is returned as one element in an array and if an empty string "" is passed, the string splits each character and an array.While using the split to convert string to array in JavaScript, keep in mind that it only returns an array and that the original string still remains a string.However, keep in mind that the limit does not refer to the index but rather the 4th occurrence of the delimiter. let str1 = "Hire the top 1% freelance developers" Īs you can see, the values after the limit were not split. Next, let's take a look at an example using the limit parameter. let str1 = 'Freelance Developers' Īs shown above, an array containing each individual character is returned. Now, let's take a look at what happens in case a delimiter is left empty while trying to convert a string to array in JavaScript. Let's look at a case where "," is a delimiter. Similarly, changing the delimiter accordingly can help you convert strings to arrays in JavaScript. In the above code, we have passed " " as the delimiter and an array split by each space is returned. limit - Optional, an integer value indicating how many times the string needs to be split.Ĭode & Explanation: let str1 = "Hire the top 1% freelance developers".In case it is left empty, an array containing each character is returned. delimiter - Optional, the string will be split based on this value.Here, string refers to the original string that we are looking to convert. Syntax of split: string.split(delimiter, limit) The split() methods take in a delimiter as a parameter and based on the specifying value the string is split. Using the following syntax we can convert strings to arrays in JavaScript. After the split is used, the substring is returned in an array. In this method, we use split() to convert a string to array in JavaScript. However, after the addition of ES6, alternative methods were introduced that could be used to convert string to array.Īlthough in this tutorial we focus on the method using split(), the other methods that can be used are Spread, Object.assign, and om. Initially, the only method available for this was split(). JavaScript comes with a few handy functions to facilitate converting strings to arrays, as it’s a common practice. A non numeric string (like 'John') converts to NaN (Not a Number). A numeric string (like '3.14') converts to a number (like 3.14). Converting strings to array using split Automatically by JavaScript itself Converting Strings to Numbers The global method Number () converts a variable (or a value) into a number.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. 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. 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(). var test ' 1,2' parsedTest JSON.parse (test) //an array 1,2 //access like and array console.log (parsedTest 0) //1 console.
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