<!DOCTYPE HTML><html><head><meta http-equiv="txttent-Type" txttent="text/html;" /><meta charset="utf-8"><title>style样式</title><style type="text/css">*{ font-size:12px;}#txt{ height:400px; width:600px; border:#333 solid 1px; padding:5px; }p{ line-height:18px; text-indent:2em;}</style></head><body> <h2 id="con">JavaScript课程</H2> <div id="txt"> <h5>JavaScript为网页添加动态效果并实现与用户交互的功能。</h5> <p>1. JavaScript入门篇，让不懂JS的你，快速了解JS。</p> <p>2. JavaScript进阶篇，让你掌握JS的基础语法、函数、数组、事件、内置对象、BOM浏览器、DOM操作。</p> <p>3. 学完以上两门基础课后，在深入学习JavaScript的变量作用域、事件、对象、运动、cookie、正则表达式、ajax等课程。</p> </div> <form> <input type="button" value="改变颜色" onClick="dcolor()"> <input type="button" value="改变宽高" onClick="dwh()"> <input type="button" value="隐藏内容" onClick="dh()"> <input type="button" value="显示内容" onClick="ds()"> <input type="button" value="恢复" onClick="dclear()"> </form> <script type="text/javascript">function dcolor(){ var mychar = document.getElementById("txt"); mychar.style.color="red"; mychar.style.backgroundColor="#ccc"; } function dwh(){ var mychar = document.getElementById("txt"); mychar.style.width="400px"; mychar.style.height="200px"; }function dh(){ var mychar = document.getElementById("txt"); mychar.style.display="none"; }function dclear(){ if(confirm("确定要取消设置吗?")){ var mychar = document.getElementById("txt"); mychar.style.color="#000"; mychar.style.backgroundColor="#fff"; mychar.style.width="600px"; mychar.style.height="400px"; mychar.style.display="block"; } }function ds(){ var mychar = document.getElementById("txt"); mychar.style.display="block"; } </script></body></html>
添加回答
举报
0/150
提交
取消