JavaScript OnClick
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});
Batman
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});// Here you can use getElementById
// or getElementByClassName or getElementByTagName...
// Example #1
document.getElementById("button").onclick = function() {
alert("Hello World!");
}
// Example #2
let obj = document.getElementsByClassName('button');
obj.addEventListener("click", function() {
// your code here...
});
// Example #3 (getting attributes)
let obj = document.getElementById("button")
obj.onclick = function() {
obj.style.display = "none";
// or:
// obj.style = "display: none; color: #fff"
} document.getElementById("Save").onclick = function ()
{
alert("hello");
//validation code to see State field is mandatory.
}var button = document.querySelector('button');
button.onclick = function() {
//do stuff
}<script>
function activateLasers () {
//... your code to activate the lasers
console.log ("Lasers Activated")
}
</script>
<button onclick="activateLasers()">
Activate Lasers
</button>