<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<p>There is a hidden message for you. Click to see it.</p>
<button onclick="myFunction()">Click me!</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("demo").innerHTML = "Hello Dear Visitor!</br> We are happy that you've chosen our website to learn programming languages. We're sure you'll become one of the best programmers in your country. Good luck to you!";
}
</script>
</body>
</html>
var button = document.querySelector('button');
button.onclick = function() {
//do stuff
}
<button onclick="myFunction()">Click me</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("demo").innerHTML = "Hello World";
}
</script>
// In HTML:
// <button id="buttonID" onclick="yourJSFunction()">Text</button>
// In JavaScript:
function yourJSFunction() {
// Do stuff
}
document.getElementById('button').onclick = function() {
alert("button was clicked");
};
<img src="hospital.png" id="hospitals" onclick="damarkers();">