为什么/**/里面的语句没有用
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
/*<script type="text/javascript">
function b1_click(){
t4.value=t1.value*t2.value*t3.value*0.01;
}
function b2_click(){
disp.innerHTML= '![]()
' ;
}
function b3_click(){
disp.innerHTML="<textarea rows=5 cols=60 ></textarea>";
}
function b4_click(){
disp.innerHTML()=<h1>这是标题</h1>;
}
var fszie=16;
function b5_click(){
fszie+=5;
demo.Style.fontSize=fsize+"px";
}
function b6_click(){
fszie-=5;
if(fszie<11)fsize=11;
demo.Style.fontSize=fsize+"px";
}
</script>*/
</head>
<body>
<style>
td,a,p{font-size:12px; text-decoration:none;color:blue;}
#div1{margin:auto;width:318px;height:300px;}
input{width:145px;height:32px;border:none;background-color:transparent;}
td{text-align:center;}
button{background:url(images/btn.jpg);}
#b1{width:310px;height:40px;font-size:20px;}
#disp,#div2,#div3{margin:auto;width:318px}
</style>
<h2>1．利息计算器编写</h2>
<div id="div1">
<table id="__01" width="318" height="300" border="0" cellpadding="0" cellspacing="0">
<tr>
<td>
<img src="images/tm21_01.jpg" width="318" height="49" alt=""></td>
</tr>
<tr>
<td background="images/tm21_02.jpg" width="318" height="52"><input id="t1" type="text"></td>
</tr>
<tr>
<td background="images/tm21_03.jpg" width="318" height="52"><input id="t2" type="text"></td>
</tr>
<tr>
<td background="images/tm21_04.jpg" width="318" height="52" ><input id="t3" type="text"></td>
</tr>
<tr>
<td background="images/tm21_05.jpg" width="318" height="52" ><input id="t4" type="text" readonly></td>
</tr>
<tr>
<td height="43px">
<button id="b1" onclick="b1_click()">计 算</button></td>
</tr>
</table>
</DIV>
<h2>2.动态生成标签</h2>
<div id="disp">
在这里生成动态标签
图片素材<img src="images/1.jpg">
</div>
<div id="div2">
<button id="b2" onclick="b2_click()">生成图片</button>
<button id="b3" onclick="b3_click()">生成文本区域</button>
<button id="b4" onclick="b4_click()">生成标题</button>
</div>
<h2>3.修改样式</h2>
<div id="div3">
<p id="demo">测试文本</p>
<button id="b5" onclick="b5_click()">字体变大</button>
<button id="b6" onclick="b6_click()">字体变小</button>
</div>
</body>
</html>
