How to check if a button is clicked using javascript?

Question

I want to check if a button is clicked,without defining any extra function.

Answer 1

<!-- HTML -->

<button onclick="alert('you clicked me') ">Ben</button>

Answer 2

Ya'iko its not helping.JS console reads,onclick cannot read null pointer.

Answer 3

<button>Click</button>

JS
===

var isClicked= false
var btn=document.querySelector("button")

btn.onclick= function(){
isCliked= true
alert("You clicked the. button")

}

Answer 4

You should have wrote the codes inside the function

window.onload=function(){

//Type in the code here
}

Answer 5

Ya'iko ,in this code I want to check if the right button is clicked.Due to the requirements cannot define an extra function.

https://code.sololearn.com/W52ygoE45Lc3/?ref=app