<!DOCTYPE html><html><head><title></title><style type="text/css">img {vertical-align:top;width: 25px;}</style></head><body><input type="text" placeholder="账号" /><br /><br /><input type="password" value="" placeholder="请输入密码" id="mima"><img src="./img/close.png" alt="" id="showText" onclick="hideShowPsw();"><script>var demoImg = document.getElementById("showText");var mima = document.getElementById("mima");function hideShowPsw() {if (mima.type == "password") {mima.type = "text";demoImg.src = "./img/open.png";} else {mima.type = "password";demoImg.src = "./img/close.png";}}</script></body></html>
效果如图：
