kemudian ikuti script berikut
test.html
<html>
<head>
<title> merubah tombol text </title>
<style>
.button {
background-color: #4CAF50;
border: none;
color: white;
padding: 8px 9px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 14px;
margin: 2px 0px;
cursor: pointer;
border-radius:10px;
}
</style>
<body>
<form>
<input type="button" class="button" onclick="change(this)" value="OPEN" />
</form>
</body>
<script type="text/javascript">
function change(elem)
{
if ( elem.value === "OPEN" )
{
elem.value = "CLOSED";
}
else
{
elem.value = "OPEN";
}
}
</script>
</head>
</html>
<head>
<title> merubah tombol text </title>
<style>
.button {
background-color: #4CAF50;
border: none;
color: white;
padding: 8px 9px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 14px;
margin: 2px 0px;
cursor: pointer;
border-radius:10px;
}
</style>
<body>
<form>
<input type="button" class="button" onclick="change(this)" value="OPEN" />
</form>
</body>
<script type="text/javascript">
function change(elem)
{
if ( elem.value === "OPEN" )
{
elem.value = "CLOSED";
}
else
{
elem.value = "OPEN";
}
}
</script>
</head>
</html>