Set the read only textbox in React Textbox component

30 Jan 20234 minutes to read

You can make the TextBox as read-only by setting the readonly attribute to the input element.

index.jsx

import * as React from "react";
import * as ReactDOM from "react-dom";
export default class Default extends React.Component {
    render() {
        return (<div>
        <input className="e-input" type="text" placeholder="Enter Name" value="John" readOnly={true}/>

        <div className="e-float-input">
    <input type='text' required={true} readOnly={true} value="John" onFocus={this.onInputFocus} onBlur={this.onInputBlur}/>
    <span className="e-float-line"/>
    <label className="e-float-text e-label-top">Enter Name</label>
        </div>
        </div>);
    }
    onInputFocus(args) {
        if (!args.target.parentElement.classList.contains('e-input-in-wrap')) {
            args.target.parentElement.classList.add('e-input-focus');
        }
        else {
            args.target.parentElement.parentElement.classList.add('e-input-focus');
        }
    }
    onInputBlur(args) {
        if (!args.target.parentElement.classList.contains('e-input-in-wrap')) {
            args.target.parentElement.classList.remove('e-input-focus');
        }
        else {
            args.target.parentElement.parentElement.classList.remove('e-input-focus');
        }
    }
}
ReactDOM.render(<Default />, document.getElementById('input-container'));

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";

export default class Default extends React.Component {

public render() {
   return (
<div>
<input className="e-input" type="text" placeholder="Enter Name" value="John" readOnly= {true}/>

<div className="e-float-input">
    <input type='text' required = {true} readOnly = {true} value="John"   onFocus = {this.onInputFocus} onBlur = {this.onInputBlur}/>
    <span className="e-float-line"/>
    <label className="e-float-text e-label-top">Enter Name</label>
</div>
</div>
);
}


public onInputFocus(args: React.FocusEvent) {
    if (!((args.target as HTMLElement).parentElement as HTMLElement).classList.contains('e-input-in-wrap')) {
         ((args.target as HTMLElement).parentElement as HTMLElement).classList.add('e-input-focus');
    } else {
         (((args.target as HTMLElement).parentElement as HTMLElement).parentElement as HTMLElement).classList.add('e-input-focus')
    }
}

public onInputBlur(args: React.FocusEvent) {
    if (!((args.target as HTMLElement).parentElement as HTMLElement).classList.contains('e-input-in-wrap')) {
    ((args.target as HTMLElement).parentElement as HTMLElement).classList.remove('e-input-focus');
    } else {
        (((args.target as HTMLElement).parentElement as HTMLElement).parentElement as HTMLElement).classList.remove('e-input-focus');
    }
}
}
ReactDOM.render(<Default />, document.getElementById('input-container'));