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Javascript Convert Array of String into Array of numbers - React Js | Vue Js

Javascript Convert Array of String into Array of numbers - React Js | Vue Js:In JavaScript, you can convert an array of strings into an array of numbers using the map() method. In React.js or Vue.js, you can apply this conversion in a similar way. First, you can use the map() method on the array and pass a callback function that takes each string element and converts it to a number using the Number() function or the parseInt() function. The map() method then returns a new array with the converted numbers.

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How can you convert an array of strings into an array of numbers using JavaScript?

This JavaScript code snippet converts an array of strings into an array of numbers using two methods. The array contains strings "1", "2", "3", "4", and "5". The first method uses the Number() constructor, and the second method uses the parseFloat() function. The converted arrays are displayed below the original array when the "Convert" button is clicked.

Javascript Convert Array of String into Array of numbers

  <body>
   <button onclick="convertStringToNumbers()">Convert</button>

    <h2>Original String Array:</h2>
    <p id="originalArray"></p>

    <h2>Output using Number() constructor:</h2>
    <p id="output1"></p>

    <h2>Output using parseFloat() function:</h2>
    <p id="output2"></p>
        <script>
      function convertStringToNumbers() {
        const stringArray = ["1", "2", "3", "4", "5"];

        // Using Number() constructor
        const numberArray1 = stringArray.map((str) => Number(str));

        // Using parseFloat() function
        const numberArray2 = stringArray.map((str) => parseFloat(str));

        // Displaying the original array
        document.getElementById("originalArray").textContent =
          JSON.stringify(stringArray);

        // Displaying the converted arrays
        document.getElementById("output1").textContent =
          JSON.stringify(numberArray1);
        document.getElementById("output2").textContent =
          JSON.stringify(numberArray2);
      }
    </script>
  </body>

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Output of Javascript Convert Array of String into Array of numbers

How can I convert an array of strings into an array of numbers using ReactJS?

In the provided Reactjs code snippet, an array of strings is converted into an array of numbers. The stringArray contains the strings "1", "2", "3", "4", and "5". The numberArray is created using the map method, which iterates over each string in stringArray and converts it into a number using the parseInt function. The resulting number array is then displayed in the HTML output.

React Js Convert Array of String into Array of numbers

<script type="text/babel">
      const { useEffect, useState } = React;
      const App = () => {
        const stringArray = ["1", "2", "3", "4", "5"];

        // Convert string array to number array
        const numberArray = stringArray.map((str) => parseInt(str, 10));

        return (
          <div className="container">
            <h3>React Js Convert Array of Sting in to Array of Number</h3>
            <p>String Array: {stringArray.join(", ")}</p>
            <p>Number Array: {numberArray.join(", ")}</p>
          </div>
        );
      };

      ReactDOM.render(<App />, document.getElementById("app"));
    </script>

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Output of React Js Convert Array of String into Array of numbers

How can I convert an array of strings into an array of numbers using Vuejs?

In this Vue.js example, an array of strings is converted into an array of numbers. The stringArray variable contains strings representing numbers. The numberArray variable is initially an empty array. Using the mounted() lifecycle hook, the stringArray is transformed using the map() method and the parseInt() function to convert each string element into an integer. The resulting array of numbers is assigned to the numberArray variable, which is then displayed in the HTML template

Vue Js Convert Array of String into Array of numbers

    <div id="app">
      <p>Original String Array: {{ stringArray }}</p>
      <p>Converted Number Array: {{ numberArray }}</p>
    </div>
    <script  type="module">
      const app = new Vue({
        el: "#app",
        data() {
          return {
            stringArray: ["1", "2", "3", "4", "5"],
            numberArray: [],
          };
        },
        mounted() {
          this.numberArray = this.stringArray.map((str) => parseInt(str)); // or parseFloat(str) for decimal numbers
        },
      });
    </script>

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