复杂计算器js特效

小提示

Ctrl+/代码提示(需IE11)
F11键放大 ESC键缩小
PgUp上页 PgDn下页

推荐代码

运行代码缩小

引入JS
- 3.0.0 2.2.0 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.3 2.0.2 2.0.1 2.0.0 1.12.0 1.11.3 1.11.2 1.11.1 1.11.0 1.10.2 1.10.1 1.10.0 1.9.1 1.9.0 1.8.3 1.8.2 1.8.1 1.8.0 1.7.2 1.7.1 1.7 1.6.4 1.6.2 1.6.1 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0
- 1.7.3 1.7.2 1.7.1.0 1.7.0.0
- 2.0.0-beta.0 2.0.0-alpha.55 1.5.0-rc.0 1.4.8 1.4.0 1.3.20 1.2.29 1.1.5 1.0.8
- 1.8.3 1.7.0 1.6.0 1.5.2 1.4.4 1.3.3 1.2.4 1.1.7
- 1.10.4 1.9.7 1.8.10 1.7.8 1.6.3 1.5.4 1.4.6 1.3.3
- core1.6.0 core-compat1.6.0 core1.5.2 core-compat1.5.2 core-full-compat-yc1.4.5 core-full-compat1.4.5 core-full-nocompat-yc1.4.5 core-full-nocompat1.4.5
- 1.4.2 1.4.1 1.4.0 1.3.0 1.2.0 1.1.0
- 3.7.3 3.7.2 3.7.1 3.7.0 3.7 3.6.2 3.6.1 3.6

引入框架
- 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.2
- 1.11.4 1.11.3 1.11.2 1.11.1 1.11.0 1.10.4 1.10.3 1.10.2
- 3.3.6 3.3.5 3.3.0 3.2.0 2.3.2

汉王

HTML代码

复制格式化注释注释清空

放大

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style>
table td{
	border: #407D2A 0px solid;
}

input{
	font-family: "微软雅黑";font-size: 9pt;color: #333333;	
	background-color: #eeeeee;cursor: hand;padding:1px;height:19px;
	border-top: 1px solid #FFFFFF;border-right:1px solid #666666;
	border-bottom: 1px solid #666666;border-left: 1px solid #FFFFFF;
}
</style>
<title>复杂计算器</title>
</head>
<body scrollbars="no">
<table width="300" height="214" border="1" cellpadding="0" cellspacing="5" style=" background-color: #CCFFFF">
  <tr>
    <td id="td1" colspan="6" height="20">
      <input name="zhi" type="text" value="0" size="45" style="background-color: #FFFFFF;font-size: 9pt;color: #333333;border: 1px solid #999999; cursor:text">
	</td>
  </tr>
  <tr>
    <td align="left" height="30" colspan="2">
      <input type="button" name="back" value="Backspace" onClick="backspace()">
	</td>
	<td align="right" colspan="2">
      <input align="right" type="button" name="CE" value="  CE  " onClick="ce()">
	</td>
    <td width="53">
      <input type="button" name="C" value="  C  " onClick="Aclose()">
	</td>
  </tr>
  <tr>
    <td width="51" height="28">
      <input type="button" name="A7" value="  7  " onClick="num(7)">
	</td>
    <td width="51">
      <input type="button" name="A8" value="  8  " onClick="num(8)">
	</td>
    <td width="56">
      <input type="button" name="A9" value="  9  " onClick="num(9)">
	</td>
    <td width="57">
      <input type="button" name="chu" value="  /  " onClick="js('/')">
	</td>
    <td>
      <input type="button" name="sqrt" value=" sqrt" onClick="kfang()">
	</td>
  </tr>
  <tr>
    <td width="51" height="28">
    <input type="button" name="A4" value="  4  " onClick="num(4)">
	</td>
    <td width="51">
      <input type="button" name="A5" value="  5  " onClick="num(5)">
	</td>
    <td width="56">
      <input type="button" name="A6" value="  6  " onClick="num(6)">
	</td>
    <td>
      <input type="button" name="chu" value="  *  " onClick="js('*')">
	</td>
    <td>
      <input type="button" name="bai" value="  %  " onClick="bai()">
	</td>
  </tr>
  <tr>
    <td width="51" height="28">
      <input type="button" name="A1" value="  1  " onClick="num(1)">
	</td>
    <td width="51">
      <input type="button" name="A2" value="  2  " onClick="num(2)">
	</td>
    <td width="56">
      <input type="button" name="A3" value="  3  " onClick="num(3)">
	</td>
    <td>
      <input type="button" name="chu" value="  -  " onClick="js('-')">
	</td>
    <td>
      <input type="button" name="xz1" value=" 1/x " onClick="ji()">
	</td>
  </tr>
  <tr>
    <td width="51" height="28">
      <input type="button" name="A0" value="  0  " onClick="num(0)">
	</td>
    <td width="51">
      <input type="button" name="jgj" value=" +/- " onClick="zf()">
	</td>
    <td width="56">
      <input type="button" name="dian" value="  .  " onClick="dian()">
	</td>
    <td>
      <input type="button" name="jia" value="  +  " onClick="js('+')">
	</td>
    <td>
      <input type="button" name="deng" value="  =  " onClick="js('=')">
	</td>
  </tr>
</table>
<p>
<script language="javascript">
var isnum=false;
var n1=0;
var fu="";
var zong=0;
var isdian=false;
function num(n){
	if (isnum==true){
		if (zhi.value=='0.'){zhi.value=zhi.value+n;}
		else{zhi.value=n;}
		isnum=false;
	}
	else{
		if (zhi.value=='0'){zhi.value=n;}
		else{
			zhi.value=zhi.value+n;
		}
	}
	n1=parseFloat(zhi.value);
}
function dian(){
	var isfirst=isfloor();
	if ((isnum == true)||(zhi.value=='0')){zhi.value='0.'}
	if ((isdian==false)&&(isfirst==true)){
		zhi.value='0.';
	}	
	else if (isdian==false){
		if (parseFloat(zhi.value)=='0'){zhi.value='0.';}
		else if (isfirst==true){zhi.value=zhi.value;}
		else{zhi.value=zhi.value+'.';}
		isdian=true;
	}
}
function isfloor(){
	var int1=parseFloat(zhi.value);
	var int2=Math.floor(int1);
	if (int1>int2){return true;}
	else{return false;}
}
function ce(){
	zong= parseFloat(zhi.value);
	zhi.value="0";
	isnum=true;
	isdian=false;
}
function Aclose(){
	isdian=isnum=false;
	ce();
	fu=base="";
	dd=jsq=zong=n1=0;
}
function isxiao(n){
	var int1=parseFloat(n);
	var int2=Math.floor(int1);
	if (int1>int2){return true;}
	else{return false;}
}
var base;
function js(s){
	var lin =  parseFloat(n1);
	if ((s=="=")&&(fu=="=")){
		if ((base=="+")||(base=="-")||(base=="*")||(base=="/")){
			zong =eval(zong+base+lin);
			if (isxiao(zong)==true){zhi.value = zong.toFixed(4);}
			else{zhi.value = zong}
		}
	}
	else if ((fu=="=")&&(s==("*")||s==("/")||s==("+")||s==("-"))){
		if (isxiao(zong)==true){zhi.value = zong.toFixed(4);}
		else{zhi.value = zong}
		base=fu;
		fu = s;
	}
	else{
		if (isnum && fu != "="){
			if ( '+' == fu )
				zong =eval(zong+fu+lin);
			else if ( '-' == fu )
				zong =eval(zong+fu+lin);
			else if ( '/' == fu )
				zong =eval(zong+fu+lin);
			else if ( '*' == fu )
				zong =eval(zong+fu+lin);
			else if ('' == fu)
				zong = lin;
			if (isxiao(zong)==true){zhi.value = zong.toFixed(4);}
			else{zhi.value = zong}
			base=fu;
			fu = s;
		}
		else{
			if ( '+' == fu )
				zong += lin;
			else if ( '-' == fu )
				zong =zong- lin;
			else if ( '/' == fu )
				zong /= lin;
			else if ( '*' == fu )
				zong *= lin;
			else
				zong = lin;
			if (isxiao(zong)==true){zhi.value = zong.toFixed(4);}
			else{zhi.value = zong}
			base=fu;
			fu = s;
		}
	}
	isnum = true;
}
function bai() {
	zhi.value = (parseFloat(zhi.value) / 100) * parseFloat(zong);
	isdian=false;
}
function kfang(){
	if (zhi.value!="0"||zhi.value!=""){
		zhi.value=Math.sqrt(parseFloat(zhi.value));
		isnum=true;
		isdian=false;
	}
}
function zf(){
	var pp=parseFloat(zhi.value);
	if (pp>0){zhi.value="-"+pp}
	if (pp<0){zhi.value=Math.abs(pp)}
}
function ji(){
	var pp=parseFloat(zhi.value);
	zhi.value=parseFloat(1/pp);
	isnum=true;
	isdian=false;
}
function backspace(){
	var bstr=zhi.value;
	if (bstr!="0"){
		var isabs=String(Math.abs(bstr));
		if ((bstr.length==1)||(isabs.length==1)){
			zhi.value="0";
			isdian=false;
		}
		else{zhi.value=bstr.substr(0,bstr.length-1)}
	}
}
</script>
</body>
</html>

CSS代码

复制格式化注释注释颜色清空

放大

JS代码

复制格式化注释注释清空

放大

运行代码

简介

请输入代码名称！

名称

复杂计算器js特效

分类

网站常用

描述

网页上实现一款复杂的计算器特效，美化的也想当不错，兼容性也很好，除了一些简单的四则运算外，还支持一些更高级的数字运算，顺便你也可学习一下JS计算功能的相关技巧和方法，运行本代码即可看到效果。