js add class to element by event code example
Example 1: event listener to elements with class
document.querySelectorAll('.some-class').forEach(item => {
item.addEventListener('click', event => {
})
})
Example 2: javascript class click event
var elements = document.getElementsByClassName("classname");
var myFunction = function() {
var attribute = this.getAttribute("data-myattribute");
alert(attribute);
};
for (var i = 0; i < elements.length; i++) {
elements[i].addEventListener('click', myFunction, false);
}
Array.from(elements).forEach(function(element) {
element.addEventListener('click', myFunction);
});