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reactTut8.js
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reactTut8.js
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// Handling Events
import React from "react";
import ReactDOM from "react-dom";
class Employee extends React.Component{
// buttonClicked(){
// alert("Hello");
// // Agr ham bas isko run kar denge toh alert prompt aayega aur link khul jayega
// // Agr hame bas alert prompt dhekna hai aur redirect nahi karna toh ham ek edit karege like this
// }
// To use states in this we have to use constructors
constructor(props){
super(props);
// Isse ham jo pehle se hi values hai usko bula rhe hai
this.state={
count:this.props.count,
}
// this.buttonClicked= this.buttonClicked.bind(this);
}
// We don't have to write bind function if we use the arrow function
buttonClicked=()=>{
let count = this.state.count;
this.setState({
count: ++count,
})
}
render(){
return<div>
<h1>K hai </h1>
<h1>Count number: {this.state.count}</h1>
{/* <a href="https://www.youtube.com" onClick={this.buttonClicked}>Click here</a> */}
<button onClick={this.buttonClicked}>Don't Click Here</button>
</div>
}
}
ReactDOM.render(<Employee count="0"/>,document.getElementById('root'));