<!DOCTYPE html> | |
<html> | |
<head> | |
<script> | |
function changeText(id, newText) { | |
var node = document.getElementById(id); | |
node.childNodes[0].nodeValue = newText; | |
} | |
</script> | |
<meta name='viewport' content='width=device-width'/> | |
<style> | |
body { | |
margin: 0px; | |
} | |
</style> | |
</head> | |
<body> | |
<button type="button" id="tap_button" onclick="changeText('tap_button', 'updatedValue')" style="width:100px;height:100px">oldValue</button> | |
</body> | |
</html> | |