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how to convert array to string in react native?

React Native
June 20th, 2022 · 1 min read

Hi Friends 👋,

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To convert an array to a string in react native, we can use the toString() method to convert an array to a string but if want to convert an array of objects into a string you have to use the JSON.stringify() method else it will show something like "[object Object]".

Like the following example, we can convert array to string useing toString() and JSON.stringify() methods.

1["hello", "shani"].toString(); // 'hello,shani'
2JSON.stringify([{greeting: "hello"}]); // '[{"greeting":"hello"}]'

Today, I’m going to show you How do I convert the array to string react native, as above mentioned here, I’m going to use the toString() and JSON.stringify() methods to convert an array and array of objects to a string.

Let’s start today’s tutorial how do you convert array to string react native?

In this example, we will do

  1. Create a sample array of strings and array of an object variables.
  2. Use toString() and JSON.stringify() method
  3. Print the Output on the screen
1import React, { useState, useEffect } from 'react';
2import { Text, View, StyleSheet } from 'react-native';
4export default function App() {
5 const [arrOfStr, setArrOfStr] = useState([]);
6 const [arrOfObj, setArrOfObj] = useState([]);
8 useEffect(() => {
9 setArrOfStr(["hello", "shani"]);
10 setArrOfObj([{greeting: "hello"}]);
11 }, []);
13 return (
14 <View style={styles.container}>
15 <Text>{'Array to string'} - {arrOfStr.toString()}</Text>
16 <Text>{'Array of object to string'} - {JSON.stringify(arrOfObj)}</Text>
17 </View>
18 );
21const styles = StyleSheet.create({
22 container: {
23 flex: 1,
24 justifyContent: 'center',
25 backgroundColor: '#ecf0f1',
26 padding: 8,
27 },
28 paragraph: {
29 margin: 24,
30 fontSize: 18,
31 fontWeight: 'bold',
32 textAlign: 'center',
33 },

As above mentioned, we are taken the example of an array of variables, converted it into a string, and printed on the screen.

Let’s check the output.

React Native, convert array to string example
React Native, convert array to string example
  • Try it yourself

I hope it’s help you, All the best 👍.

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