Javascript Essential for Salesforce Developer
Event in JS An event listener is a JavaScript function that will be called when the specified event occurs on the element. There are many different types of events in JavaScript, such as mouse events (click, mouseover, etc.), keyboard events (keypress, keydown, etc.), and form events (submit, change, etc.). Event Listener To attach an event listener to an element, you use the addEventListener() method, available on all DOM elements. The first argument to addEventListener() is the type of event you want to listen for (e.g., "click", "submit", "load"), and the second argument is the function that should be executed when the event occurs. For example: var button = document.getElementById("myButton"); button.addEventListener("click", function() { alert("Button was clicked!"); }); var button = document.getElementById("myButton"); button.addEventListener("click", function() { alert("Button was clicked!...