

<!DOCTYPE html><html><head>
<meta charset='utf-8'>
<title>自动打字</title></head><body><p id='auto'></p><script>
var str = '这是一段自动打字的代码,很有趣,哈哈哈哈哈哈,呵呵呵呵呵'; var i = 0; function auto(){
var pTyping = document.getElementById('auto'); if (i <= str.length) {
pTyping.innerHTML = str.slice(0, i++) ;
setTimeout('auto()', 150);//递归调用
}
}
auto();</script></body></html>