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[收藏]几段JavaScript简单代码--随手笔记


作者:5x54    点击: 读取中...

引用代码:<HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<SCRIPT language = "JavaScript"> (%$$#^68767*&%2)我型我塑www.5x54.com
function calcu() (%$$#^68767*&%2)我型我塑www.5x54.com
{ (%$$#^68767*&%2)我型我塑www.5x54.com
var numb1= document.calc.num1.value; (%$$#^68767*&%2)我型我塑www.5x54.com
var numb2= document.calc.num2.value; (%$$#^68767*&%2)我型我塑www.5x54.com
if ((numb1!="") && (numb2!="")) (%$$#^68767*&%2)我型我塑www.5x54.com
(%$$#^68767*&%2)我型我塑www.5x54.com
 if (parseFloat(numb1)<0) (%$$#^68767*&%2)我型我塑www.5x54.com
 { (%$$#^68767*&%2)我型我塑www.5x54.com
  alert("竞拍价格不能小于零!\n请重填"); (%$$#^68767*&%2)我型我塑www.5x54.com
  return; //函数返回(%$$#^68767*&%2)我型我塑www.5x54.com,不再执行后面的代码 (%$$#^68767*&%2)我型我塑www.5x54.com
 } (%$$#^68767*&%2)我型我塑www.5x54.com
  if (parseFloat(numb2)<0) (%$$#^68767*&%2)我型我塑www.5x54.com
 { (%$$#^68767*&%2)我型我塑www.5x54.com
  alert("购买数量不能小于零!\n请重填"); (%$$#^68767*&%2)我型我塑www.5x54.com
  return; (%$$#^68767*&%2)我型我塑www.5x54.com
 } (%$$#^68767*&%2)我型我塑www.5x54.com
 var total= parseFloat(numb1)*parseFloat(numb2); (%$$#^68767*&%2)我型我塑www.5x54.com
 document.calc.result.value=total;  (%$$#^68767*&%2)我型我塑www.5x54.com
 if ((total>500) &&(total<=1000)) (%$$#^68767*&%2)我型我塑www.5x54.com
 alert("购买总价超过500\n支付时将赠送超级Q币2枚!"); (%$$#^68767*&%2)我型我塑www.5x54.com
 if ((total>1000) &&(total<=2000)) (%$$#^68767*&%2)我型我塑www.5x54.com
 alert("购买总价超过1000\n支付时将赠送IBM光电智能鼠标1只!"); (%$$#^68767*&%2)我型我塑www.5x54.com
 if ((total>2000)) (%$$#^68767*&%2)我型我塑www.5x54.com
 alert("购买总价超过2000\n请直接与贵宾台联系!"); (%$$#^68767*&%2)我型我塑www.5x54.com
 } (%$$#^68767*&%2)我型我塑www.5x54.com
else (%$$#^68767*&%2)我型我塑www.5x54.com
  alert("购买数量或竞拍价格没有填写\n请重新输入!"); (%$$#^68767*&%2)我型我塑www.5x54.com
} (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
</HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<form name="calc" action=""> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="num1" value="311"> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="num2" value="223"> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="result" value="0"> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="getAnswer" TYPE="button" onClick="calcu()" value="计算看看"> (%$$#^68767*&%2)我型我塑www.5x54.com
</form>
(%$$#^68767*&%2)我型我塑www.5x54.com
引用代码:<HTML> (%$$#^68767*&%2)我型我塑www.5x54.com
<HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<TITLE>For 循环演示</TITLE> (%$$#^68767*&%2)我型我塑www.5x54.com
<SCRIPT LANGUAGE = "JavaScript"> (%$$#^68767*&%2)我型我塑www.5x54.com
document.write("<H2 align=center>打印金字塔直线</H2>"); (%$$#^68767*&%2)我型我塑www.5x54.com
for (var i= 0; i<100; i=i+5) (%$$#^68767*&%2)我型我塑www.5x54.com
  document.write("<HR align=center width=" + i+"%>"); (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
</HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<BODY> (%$$#^68767*&%2)我型我塑www.5x54.com
</BODY> (%$$#^68767*&%2)我型我塑www.5x54.com
</HTML>
(%$$#^68767*&%2)我型我塑www.5x54.com
引用代码:<HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<SCRIPT language="JavaScript" > (%$$#^68767*&%2)我型我塑www.5x54.com
 function compute(op) (%$$#^68767*&%2)我型我塑www.5x54.com
 { (%$$#^68767*&%2)我型我塑www.5x54.com
   var num1,num2; (%$$#^68767*&%2)我型我塑www.5x54.com
   num1=parseFloat(document.myform.num1.value); (%$$#^68767*&%2)我型我塑www.5x54.com
   num2=parseFloat(document.myform.num2.value); (%$$#^68767*&%2)我型我塑www.5x54.com
   if (op=="+") (%$$#^68767*&%2)我型我塑www.5x54.com
document.myform.result.value=num1+num2 ; (%$$#^68767*&%2)我型我塑www.5x54.com
   if (op=="-") (%$$#^68767*&%2)我型我塑www.5x54.com
document.myform.result.value=num1-num2 ; (%$$#^68767*&%2)我型我塑www.5x54.com
   if (op=="*") (%$$#^68767*&%2)我型我塑www.5x54.com
document.myform.result.value=num1*num2 ; (%$$#^68767*&%2)我型我塑www.5x54.com
   if (op=="/" && num2!=0) (%$$#^68767*&%2)我型我塑www.5x54.com
document.myform.result.value=num1/num2 ; (%$$#^68767*&%2)我型我塑www.5x54.com
 } (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
</HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<FORM action="" method="post" name="myform" > (%$$#^68767*&%2)我型我塑www.5x54.com
 <P>第一个数<INPUT name="num1" type="text"> (%$$#^68767*&%2)我型我塑www.5x54.com
 <BR>第二个数<INPUT name="num2" type="text">  (%$$#^68767*&%2)我型我塑www.5x54.com
 </P><P> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="addButton" type="button" value="+" onClick="compute('+')"> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="subButton" type="button" value="-" onClick="compute('-')"> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="mulButton" type="button" value="×" onClick="compute('*')"> (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="divButton" type="button" value="÷" onClick="compute('/')"> (%$$#^68767*&%2)我型我塑www.5x54.com
 </P> (%$$#^68767*&%2)我型我塑www.5x54.com
 <P>计算结果 <INPUT name="result" type="text">  (%$$#^68767*&%2)我型我塑www.5x54.com
 </P> (%$$#^68767*&%2)我型我塑www.5x54.com
</FORM> (%$$#^68767*&%2)我型我塑www.5x54.com
(%$$#^68767*&%2)我型我塑www.5x54.com
引用代码:<SCRIPT LANGUAGE = "JavaScript"> (%$$#^68767*&%2)我型我塑www.5x54.com
  function checkEmail( ) (%$$#^68767*&%2)我型我塑www.5x54.com
  { (%$$#^68767*&%2)我型我塑www.5x54.com
   var e=document.myform.email.value;  (%$$#^68767*&%2)我型我塑www.5x54.com
   if (e.length==0) //检测长度是否为0(%$$#^68767*&%2)我型我塑www.5x54.com,即是否为空 (%$$#^68767*&%2)我型我塑www.5x54.com
  { (%$$#^68767*&%2)我型我塑www.5x54.com
   alert("电子邮件不能为空!"); (%$$#^68767*&%2)我型我塑www.5x54.com
   return ; (%$$#^68767*&%2)我型我塑www.5x54.com
  } (%$$#^68767*&%2)我型我塑www.5x54.com
   if (e.indexOf("@",0)==-1) //检测是否包含”@”符号 (%$$#^68767*&%2)我型我塑www.5x54.com
  { (%$$#^68767*&%2)我型我塑www.5x54.com
     alert("电子邮件格式不正确\n必须包含@符号!"); (%$$#^68767*&%2)我型我塑www.5x54.com
     return ; (%$$#^68767*&%2)我型我塑www.5x54.com
  } (%$$#^68767*&%2)我型我塑www.5x54.com
   if (e.indexOf(".",0)==-1) //检测是否包含”.”符号 (%$$#^68767*&%2)我型我塑www.5x54.com
   { (%$$#^68767*&%2)我型我塑www.5x54.com
     alert("电子邮件格式不正确\n必须包含.符号!"); (%$$#^68767*&%2)我型我塑www.5x54.com
     return ; (%$$#^68767*&%2)我型我塑www.5x54.com
    } (%$$#^68767*&%2)我型我塑www.5x54.com
   document.write("恭喜您!(%$$#^68767*&%2)我型我塑www.5x54.com,注册成功!");   (%$$#^68767*&%2)我型我塑www.5x54.com
  } (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
(%$$#^68767*&%2)我型我塑www.5x54.com
<FORM action="" name="myform" > (%$$#^68767*&%2)我型我塑www.5x54.com
  E-Mail:<INPUT name="email" value=""> (%$$#^68767*&%2)我型我塑www.5x54.com
  <INPUT name="result" TYPE="button" onClick="checkEmail( )" value="提交">  (%$$#^68767*&%2)我型我塑www.5x54.com
</FORM>
(%$$#^68767*&%2)我型我塑www.5x54.com
引用代码:<HTML> (%$$#^68767*&%2)我型我塑www.5x54.com
<HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<META http-equiv="refresh" content="2"> (%$$#^68767*&%2)我型我塑www.5x54.com
<TITLE>自动刷新</TITLE> (%$$#^68767*&%2)我型我塑www.5x54.com
<SCRIPT language="JavaScript" > (%$$#^68767*&%2)我型我塑www.5x54.com
 document.write("2秒自动刷新(%$$#^68767*&%2)我型我塑www.5x54.com,随机显示图片"); (%$$#^68767*&%2)我型我塑www.5x54.com
 var i=0; (%$$#^68767*&%2)我型我塑www.5x54.com
 i=Math.round(Math.random( )*8+1);//产生1-9的数字 (%$$#^68767*&%2)我型我塑www.5x54.com
 document.write("<IMG width=640 height=433 src="+ i +".jpg>"); (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
</HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<BODY> (%$$#^68767*&%2)我型我塑www.5x54.com
  (%$$#^68767*&%2)我型我塑www.5x54.com
</BODY> (%$$#^68767*&%2)我型我塑www.5x54.com
</HTML> (%$$#^68767*&%2)我型我塑www.5x54.com
(%$$#^68767*&%2)我型我塑www.5x54.com
引用代码:<HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<SCRIPT language="JavaScript" > (%$$#^68767*&%2)我型我塑www.5x54.com
function myfun1( ) (%$$#^68767*&%2)我型我塑www.5x54.com
{ (%$$#^68767*&%2)我型我塑www.5x54.com
  if (document.myform.card.value=="请注意格式:10xxxxxx") (%$$#^68767*&%2)我型我塑www.5x54.com
    document.myform.card.value="" ; (%$$#^68767*&%2)我型我塑www.5x54.com
} (%$$#^68767*&%2)我型我塑www.5x54.com
function myfun2( ) (%$$#^68767*&%2)我型我塑www.5x54.com
{ (%$$#^68767*&%2)我型我塑www.5x54.com
 var a=document.myform.card.value; (%$$#^68767*&%2)我型我塑www.5x54.com
 if (a.substr(0,2)!="10" || isNaN(a)) (%$$#^68767*&%2)我型我塑www.5x54.com
 { (%$$#^68767*&%2)我型我塑www.5x54.com
  alert("格式错误(%$$#^68767*&%2)我型我塑www.5x54.com,请重新输入") ; (%$$#^68767*&%2)我型我塑www.5x54.com
  document.myform.card.focus();  (%$$#^68767*&%2)我型我塑www.5x54.com
 } (%$$#^68767*&%2)我型我塑www.5x54.com
} (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
</HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<STYLE type="text/css"> (%$$#^68767*&%2)我型我塑www.5x54.com
<!-- (%$$#^68767*&%2)我型我塑www.5x54.com
input  (%$$#^68767*&%2)我型我塑www.5x54.com
{ (%$$#^68767*&%2)我型我塑www.5x54.com
 background-color: #55FFFF; (%$$#^68767*&%2)我型我塑www.5x54.com
 font-size: 20px; (%$$#^68767*&%2)我型我塑www.5x54.com
 border: 1px solid; (%$$#^68767*&%2)我型我塑www.5x54.com
} (%$$#^68767*&%2)我型我塑www.5x54.com
--> (%$$#^68767*&%2)我型我塑www.5x54.com
</STYLE> (%$$#^68767*&%2)我型我塑www.5x54.com
<BODY> (%$$#^68767*&%2)我型我塑www.5x54.com
<FORM name="myform"> (%$$#^68767*&%2)我型我塑www.5x54.com
<H2>卡号: (%$$#^68767*&%2)我型我塑www.5x54.com
<INPUT name="card" type="text" onFocus="myfun1( )" value="请注意格式:10xxxxxx" onBlur="myfun2( )">  (%$$#^68767*&%2)我型我塑www.5x54.com
 <BR> 密码: <INPUT name = "pass" type = "text" > (%$$#^68767*&%2)我型我塑www.5x54.com
</H2> (%$$#^68767*&%2)我型我塑www.5x54.com
</FORM>  (%$$#^68767*&%2)我型我塑www.5x54.com
</BODY>
(%$$#^68767*&%2)我型我塑www.5x54.com
引用代码:<HTML> (%$$#^68767*&%2)我型我塑www.5x54.com
<HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<TITLE>无标题文档</TITLE> (%$$#^68767*&%2)我型我塑www.5x54.com
<SCRIPT language="JavaScript"> (%$$#^68767*&%2)我型我塑www.5x54.com
function change(color) (%$$#^68767*&%2)我型我塑www.5x54.com
{ (%$$#^68767*&%2)我型我塑www.5x54.com
 document.bgColor=color ; (%$$#^68767*&%2)我型我塑www.5x54.com
} (%$$#^68767*&%2)我型我塑www.5x54.com
</SCRIPT> (%$$#^68767*&%2)我型我塑www.5x54.com
</HEAD> (%$$#^68767*&%2)我型我塑www.5x54.com
<BODY> (%$$#^68767*&%2)我型我塑www.5x54.com
<H2> 移过来我变色给你看看!</H2> (%$$#^68767*&%2)我型我塑www.5x54.com
<FONT size=4> (%$$#^68767*&%2)我型我塑www.5x54.com
  <SPAN onMouseOver="change('red')">变红色</SPAN>| (%$$#^68767*&%2)我型我塑www.5x54.com
  <SPAN onMouseOver="change('blue')">变蓝色</SPAN>| (%$$#^68767*&%2)我型我塑www.5x54.com
 <SPAN onMouseOver="change('yellow')">变黄色</SPAN> (%$$#^68767*&%2)我型我塑www.5x54.com
</FONT> (%$$#^68767*&%2)我型我塑www.5x54.com
</BODY> (%$$#^68767*&%2)我型我塑www.5x54.com

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