js鼠标键盘无操作实例

<script>
 var count = 0; var outTime=30;//分钟
 window.setInterval(go, 1000); function go() {
 count++; if (count == outTime*60) {
 alert("您因长时间未进行操作导致页面过期");
 }
 } var x ; var y ; //监听鼠标
 document.onmousemove = function (event) {
 var x1 = event.clientX; var y1 = event.clientY; if (x != x1 || y != y1) {
 count = 0;
 }
 x = x1;
 y = y1;
 }; //监听键盘
 document.onkeydown = function () {
 count = 0;
 };</script>