What is event bubbling?
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Event bubbling is a type of event propagation where the event first triggers on the innermost target element, and then successively triggers on the ancestors (parents) of the target element in the same nesting hierarchy till it reaches the outermost DOM element(i.e, global window object).
By default, event handlers triggered in event bubbling phase as shown below,
const parent = document.querySelector(“div”);
const child = document.querySelector(“.child”);
parent.addEventListener(“click”,
function () {
console.log(“Parent”);
}
);
child.addEventListener(“click”, function () {
console.log(“Child”);
});
// Child
// Parent
Event bubbling is a type of DOM event propagation where the event first triggers on the innermost target element, and then successively triggers on the ancestors of the target element in the same nesting hierarchy till it reaches the outermost DOM element or document object.