Botão JavaScript OnClick
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});
Batman
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});var element = document.getElementById("elem");
element.onclick = function(event) {
console.log(event);
}<a href='http://www.google.com' onclick='return check()'>check</a>
<script type='text/javascript'>
function check() {
return false;
}
</script>// 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"
}<button onclick="Function()">Text</button>var button = document.querySelector('button');
button.onclick = function() {
//do stuff
}