Thay đổi chữ
Mã code:
<script>
function myFunction() {
document.getElementById("demo").innerHTML = "Paragraph changed.";
}
</script>
<div id="demo">
A Paragraph</div>
<button onclick="myFunction()" type="button">Try it</button>
<script>
function myFunction() {
document.getElementById("demo").innerHTML = "Paragraph changed.";
}
</script>
<div id="demo">
A Paragraph</div>
<button onclick="myFunction()" type="button">Try it</button>
A Paragraph
