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[Java教程]模仿password输入框


function hiddenPass(event) {
var password0 = document.getElementById("password0");
var password1 = document.getElementById("password1");

if (event.keyCode == 13) {
}

var keycode;
if (window.event) { // IE
keycode = event.keyCode
} else if (event.which) { // Netscape/Firefox/Opera
keycode = event.which
}
var keychar = String.fromCharCode(keycode);
password1.value = password1.value + keychar;
password1.value = password1.value.substring(0, password0.length);
}

function clearPass(){
$("#password0").val("");
$("#password1").val("");
}

<li class="ba"><label>密 码:</label>
<input type="text" id="password0"
onfocus="javascript:clearPass();"
onkeyup="this.value=this.value.replace(/./g,'*')"
onkeypress="javascript:hiddenPass(event);"/>
<input type="hidden" id="password1" name="password1"/>
</li>