ZhuJiHan的博客

js： <script type="text/javascript"> function calc(sign) { var firstValue = document.calcform.first.value; var secondValue = document.calcform.second.value; var resultValue; var num1 = parseFl

CSS样式：<style type="text/css"> body { margin=0; height:500px; width:1200px; border:1px solid red; } img { width: 100px; height: 100p

JS部分：<script type="text/javascript"> window.onload = function () { document.getElementById("body").onmousemove = function (e) { var span = document.getElementsByTagName("span")[0]; span.style.top

CSS部分：<style type="text/css"> body { margin=0; height:500px; width:1200px; border:1px solid red; } img { width: 100px; height: 100p