说明:

效果:

代码:

<a href="http://s5.20t.net" onMouseOver="_Help_In('鼠标接触链接后状态栏出现特效提示特效');return true;" onMouseOut="_Help_Out();">鼠标放在这里试试看</a>
<SCRIPT LANGUAGE="JavaScript">
<!--
var data = "0123456789";
var done = 1;
function _Help_In(text) {
decrypt(text, 2, 1);
}

function _Help_Out() {
self.status = '';
done = 1;
}

function decrypt(text, max, delay) {
if (done) {
done = 0;
decrypt_helper(text, max, delay, 0, max);
}
}
function decrypt_helper(text, runs_left, delay, charvar, max) {
if (!done) {
runs_left = runs_left - 1;
var status = text.substring(0, charvar);
for (var current_char = charvar; current_char < text.length; current_char++) {
status += data.charAt(Math.round(Math.random()*data.length));
}
window.status = status;
var rerun = "decrypt_helper('" + text + "'," + runs_left + "," + delay + "," + charvar + "," + max + ");"
var new_char = charvar + 1;
var next_char = "decrypt_helper('" + text + "'," + max + "," + delay + "," + new_char + "," + max + ");"
if(runs_left > 0) {
setTimeout(rerun, delay);
}
else {
if (charvar < text.length) {
setTimeout(next_char, Math.round(delay*(charvar+3)/(charvar+1)));
}
else {
done = 1;
}
}
}
}
//-->
</SCRIPT>