javascript click button to change color and do something code example
Example 1: onclick change text color javascript
<script>
document.getElementById('change').onclick = changeColor;
function changeColor() {
document.body.style.color = "purple";
return false;
}
</script>
Example 2: change color by click event javascript
var button = document.querySelector("button");
button.addEventListener("click", function() {
const curColour = document.body.style.backgroundColor;
document.body.style.backgroundColor = curColour === 'red' ? 'blue' : 'red';
});