<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" Content="text/html; charset=utf-8" /><title>javascript</title><style type="text/css">body{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="changeColor"> <input type="button" value="改变宽高" onclick="changeSize()"> <input type="button" value="隐藏内容" onclick="changeDisplay()"> <input type="button" value="显示内容" onclick="changeBlock()"> <input type="button" value="取消设置" onclick="changeCancel()"> </form> <script type="text/javascript"> changeColor:function(){ var one=document.getElementById("txt"); one.style.color="red"; one.style.backgroundcolor="green"; } changeSize:function(){ var two=document.getElementById("txt"); two.style.width="200px"; two.style.height="200px"; }changeDisplay:function(){ var three=document.getElementById("txt"); three.style.display="none"; }changeBlock:function(){ var four=document.getElementById("txt"); four.style.display="block"; }changeCancel:function(){ var five=document.getElementById("txt"); var zero=confirm("是否取消设置") if(zero=="true"){ five.removeAttribute("style"); } } </script></body></html>
3 回答
奔跑的虫子
TA贡献33条经验 获得超21个赞
var changeColor=function(){
var one=document.getElementById("txt");
one.style.color="red";
one.style.background="green";
};
function changeColor2(){
var one=document.getElementById("txt");
one.style.color="red";
one.style.background="green";
};
添加回答
举报
0/150
提交
取消