Write the variable data inside the brackets and add three dots before it. įor example, store a value of 1234 as a string in a variable data. And before the variable, we can add three dots. We can pass the variable containing the string inside big brackets. However, this method is not useful if we have the commas in between strings as it will also add, into the array of strings. This method converts a string into an array of strings. The spread operator is denoted by three dots followed by a variable. Spread Operator to Convert a String Into an Array The output section shows that the array elements are of the string type. Each character of the string is converted as a string element of the array. The example below converts a string of numbers into an array of strings. Also, log the typeof the first element of the array in the console.
Then, use console.log() to display the variable in the console. Call the from() method with an object Array and supply the num variable as the parameter in the function. in between strings as it will also add, into the array of strings.įor example, create a variable num and store a value 1234 as a string in the variable. However, this method is not helpful if we have. We can pass the string that needs to be converted into the method, and the method will convert it into an array of strings. The om() method lets you create an array from a string of a certain length.
Use the om() Expression to Convert a String Into an Array
#Convert string to array javascript code#
The output section shows that the array elements are of the number type.Ĭalculator In JavaScript Source Code Free Download | 2020 JavaScript Projects With Source Code (4) We can know the type of the array items using the typeof keyword. In the example below, we converted a string of numbers into an array of numbers. Use JSON.parse() on the data variable and concatenate the opening and closing brackets before and after the variable. We can concatenate the brackets with the string to convert it to an array of numbers.įor example, create a variable data and store a value 0,1,2,3 as a string in the variable. We can use JSON.parse() to convert a string of numbers separated by commas into an array. And, if the data is a JSON value derived from an array, JSON.parse() converts the data into a JavaScript array. If the received data is in the form of a JSON object, it will convert it into a JavaScript object. The JSON.parse() expression is used to parse the data received from the web server into the objects and arrays.
Use the JSON.parse() Expression to Convert a String Into an Array
#Convert string to array javascript how to#
We will convert how to convert the string to the numeric array as well as into an array of strings. We will introduce three methods of converting a string into an array in JavaScript. Use the om() Expression to Convert a String Into an Array.Use the JSON.parse() Expression to Convert a String Into an Array.JavaScript JavaScript Array JavaScript StringĬreated: June-15, 2021 | Updated: June-17, 2021
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