var mychar=document.getElementById('con') ;
document.write("原标题:"+mychar.innerHTML+"<br>"); //输出原h2标签内容
mychar.innerHTML ="Hello World!";
document.write("修改后的标题:"+mychar.innerHTML); //输出修改后h2标签内容
document.write("原标题:"+mychar.innerHTML+"<br>"); //输出原h2标签内容
mychar.innerHTML ="Hello World!";
document.write("修改后的标题:"+mychar.innerHTML); //输出修改后h2标签内容
2016-01-22
最新回答 / 忆一树樱花
function openWindow(){ var my = confirm("是否打开网址"); if(my == true) { var mmy = prompt("这个网址是：","http：//www.imooc.com/"); window.open(mmy, '_blank', 'width=400,height=500,menubar=no,toolbar=no') } ...
2016-01-21
var text = document.getElementById("txt");
function changeColor(){
text.style.background="red";
text.style.color="yellow";
}
function changeBig(){
text.style.width="300px";
text.styke.height="500px";
}
function hiddenContent(){
text.style.display="none";
}
function changeColor(){
text.style.background="red";
text.style.color="yellow";
}
function changeBig(){
text.style.width="300px";
text.styke.height="500px";
}
function hiddenContent(){
text.style.display="none";
}
<input type="button" value="改变颜色" onclick="changeColor()">
<input type="button" value="改变宽高" onclick="changeBig()">
<input type="button" value="隐藏内容" onclick="hiddenContent()">
<input type="button" value="显示内容" onclick="displayContent()">
<input type="button" value="取消设置" onclick="reduction()">
<input type="button" value="改变宽高" onclick="changeBig()">
<input type="button" value="隐藏内容" onclick="hiddenContent()">
<input type="button" value="显示内容" onclick="displayContent()">
<input type="button" value="取消设置" onclick="reduction()">
楼上上的，可以先快速把open函数破坏掉，比如去掉个字母n，输入完window.close后再补上即可
2016-01-21