Event execution in JS. With if statement.

Question

I want to use if when button on webpage is clicked like
If(//when button is clicked){//execute this};
And how could I display a claculated number like num = x+i = 10; in document.getelementbyid("id").innerHTML =num;

Please write basic beginner codes. I need it fast.

I need to make a code which calculates score when correct button is clicked.⌨

Answer 1

You can either do it in the html:

<button id="enter" onclick="func()"></button>

Or in javascript:

document.getElementById("enter").onclick = function() {
// Your Code
}