How to call multiple functions on the same onClick event ReactJS

Question

I have this function and when I click on the

tag, I want to call two functions, onClick={handleProjectSelection(project)} a handler func

Answer 1

You can Wrap your two+ function calls in another function/method. For example

var Test = React.createClass({
   onClick: function(event){
      func1();
      func2();
   },
   render: function(){
      return (
         <a href="#" onClick={this.onClick}>Test Link</a>
      );
   }
});

Answer 2

Write it like this:

onClick={() => {
   handleProjectSelection(project);
   anotherfunctionCall();
}}

Or create a single function, use that as a click handler. Inside that function call other two functions, Like this:

onClick={this.handleClick}

handleClick(){
   function1();
   function2();
}

---

See there are two ways of using arrow function:

1- Concise Body: () => /*single expression*/

2- Block Body: () => {}

In block body inside {} (body of the function), we can perform any number of task.

Like this:

onClick={() => {
   fun1();
   fun2();
   fun3();
   fun4();
   ....
   funN();
}}

Answer 3

You can do it in two ways:
1.

onClick={()=>{
    callFunctionOne();
    callFunctionTwo();
}}

2.

callTwoFunctions(){
    callFunctionOne();
    callFunctionTwo();
}

onClick={this.callTwoFunctions}