Events

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addEventListener('click', fn) — never onclick= in the HTML.

Which adds a click handler?

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What you start with

const b=document.createElement('button');
let n=0;
b.addEventListener('click',()=>n++);
document.body.appendChild(b);
b.click();
console.log(n);

JavaScript 1 automatic check The DOM

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const b=document.createElement('button');
let n=0;
b.addEventListener('click',()=>n++);
document.body.appendChild(b);
b.click();
console.log(n);

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