[Solved] Dynamical Calculator Javascript
[ad_1] var keys = document.querySelectorAll(“.keys span”); for (var i = 0; i < keys.length; i++) { keys[i].onclick = function(){ alert(this.innerHTML); } } keys is a NodeList so you cannot attach the onclick on that. You need to attach it to each element in that list by doing the loop. To get the value you can … Read more