Check Uncheck All Checkbox using ReactJS

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Today, We want to share with you Check Uncheck All Checkbox using ReactJS.In this post we will show you how to get checkbox checked value in reac, hear for How to implement select/deselect all checkbox using react we will give you demo and example for implement.In this post, we will learn about Select/Unselect All checkbox in reactJs with an example.

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Check Uncheck All Checkbox using ReactJS

There are the Following The simple About Check Uncheck All Checkbox using ReactJS Full Information With Example and source code.

As I will cover this Post with live Working example to develop react multiple checkbox form, so the react multiple checkboxes onchange for this example is following below.

Step 1: JavaScript Part

import React, { Component } from "react";
import ReactDOM from "react-dom";

class Box extends Component {
  constructor(props) {
    super(props);
    this.state = {
      allChecked: false,
      list: [
        { id: 1, name: "Mobile", IsActive: false },
        { id: 2, name: "Iphone", IsActive: false },
        { id: 3, name: "Laptop", IsActive: false }
      ]
    };
  }

  handleChange = e => {
    let productName = e.target.name;
    let checked = e.target.checked;
    this.setState(prevState => {
      let { list, allChecked } = prevState;
      if (productName === "selectAll") {
        allChecked = checked;
        list = list.map(item => ({ ...item, IsActive: checked }));
      } else {
        list = list.map(item =>
          item.name === productName ? { ...item, IsActive: checked } : item
        );
        allChecked = list.every(item => item.IsActive);
      }
      return { list, allChecked };
    });
  };

  renderList = () => {
    return this.state.list.map(item => (
      <div>
        <input
          key={item.id}
          type="checkbox"
          name={item.name}
          value={item.name}
          checked={item.IsActive}
          onChange={this.handleChange}
        />
        <label>{item.name}</label>
      </div>
    ));
  };
  render() {
    return (
      <div>
        <input
          type="checkbox"
          name="selectAll"
          checked={this.state.allChecked}
          onChange={this.handleChange}
        />
        Select all
        <br />
        {this.renderList()}
      </div>
    );
  }
}

ReactDOM.render(<Box />, document.getElementById("myreactApp"));

Step 2: HTML part

index.html

<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<meta name="theme-color" content="#000000">
	<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
	<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
	<title>React App - How to implement select/deselect all checkbox using react - www.pakainfo.com</title>
</head>

<body>
	<h3>Select/Unselect All checkbox in reactJs</h3>
	<noscript>
		We need to enable simple JavaScript to run this React app.
	</noscript>
	<div id="myreactApp"></div>
</body>

</html>

Step 3: styles.css

.App {
  font-family: sans-serif;
  text-align: center;
}

select all checkbox react
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