add select option for react js

Author: akmamun

README.md

@@ -24,6 +24,7 @@
 - [SideNavigation Component with State Handle](react-js/SideNavigation)
 - [Team Component](react-js/team/Team.js)
 - [Array Interval Delay and Hide Previous Element](react-js/array-plus-delay.js) 
+- [React Select Option](react-js/SelectOption.js)
 - [Not Found Page](react-js/NotFound.js) 
 
 ## Python 

react-js/SelectOption.js

@@ -0,0 +1,19 @@
+import React, { Component } from 'react'
+
+export default class SelectOption extends Component {
+     state ={
+          type: ""
+     }
+     render() {
+          return (
+               <div>
+                   <select name="name" onChange={(e) => this.setState({ type: e.target.value })} 
+                         className="form-control">
+                         <option disabled selected value> Select an option </option>
+                         <option value="buy" selected={type === "buy" ? true : ""}>Buy</option>   {/* selected option  */}
+                         <option value="sell" selected={type === "sell" ? true : ""}>Sell</option>
+                  </select>     
+               </div>
+          )
+     }
+}