Home > Article > Web Front-end > HTML and JS implement a simple calculator
HTML and JS implement a simple calculator
- 小云云Original
- 2018-03-05 15:09:342064browse
It is also very easy to implement the calculator function in HTML and JS. This article mainly shares with you how to implement a simple calculator in HTML and JS. I hope it can help you.
The following is the code:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<link rel="stylesheet" type="text/css" href="untitled.css">
</head>
<script type="text/javascript">
var result="";
function jisuan(num){
if(num=="="){
document.form1.text.value=eval(result);
}else{
result=result+num;
document.form1.text.value=result;
}
}
</script>
<body>
<p class="box">
<form action="" class="form1" name="form1">
<p class="header">
<input type="text" id="text" name="text" class="text"/>
</p>
<p class="nav">
<table class="table">
<tr>
<td> <input id="1" style="height:55px; width:55px;" type="button" value="1" onClick="jisuan(this.id)"/> </td>
<td> <input id="2" style="height:55px; width:55px;" type="button" value="2" onClick="jisuan(this.id)"/> </td>
<td> <input id="3" style="height:55px; width:55px;" type="button" value="3" onClick="jisuan(this.id)"/> </td>
<td> <input id="+" style="height:55px; width:55px;" type="button" value="+" onClick="jisuan(this.id)"/> </td>
</tr>
<tr>
<td> <input id="4" style="height:55px; width:55px;" type="button" value="4" onClick="jisuan(this.id)"/> </td>
<td> <input id="5" style="height:55px; width:55px;" type="button" value="5" onClick="jisuan(this.id)"/> </td>
<td> <input id="6" style="height:55px; width:55px;" type="button" value="6" onClick="jisuan(this.id)"/> </td>
<td> <input id="-" style="height:55px; width:55px;" type="button" value="-" onClick="jisuan(this.id)"/> </td>
</tr>
<tr>
<td> <input id="7" style="height:55px; width:55px;" type="button" value="7" onClick="jisuan(this.id)"/> </td>
<td> <input id="8" style="height:55px; width:55px;" type="button" value="8" onClick="jisuan(this.id)"/> </td>
<td> <input id="9" style="height:55px; width:55px;" type="button" value="9" onClick="jisuan(this.id)"/> </td>
<td> <input id="*" style="height:55px; width:55px;" type="button" value="*" onClick="jisuan(this.id)"/> </td>
</tr>
<tr>
<td> <input id="/" style="height:55px; width:55px;" type="button" value="/" onClick="jisuan(this.id)"/> </td>
<td> <input id="0" style="height:55px; width:55px;" type="button" value="0" onClick="jisuan(this.id)"/> </td>
<td> <input id="." style="height:55px; width:55px;" type="button" value="." onClick="jisuan(this.id)"/></td>
<td> <input id="=" style="height:55px; width:55px;" type="button" value="=" onClick="jisuan(this.id)"/> </td>
</tr>
</table>
</p>
</form>
</p>
</body>
</html>Related recommendations:
How to implement a simple calculator in HTML
js implements simple four arithmetic calculations Calculator function
JS implementation of simple four arithmetic calculator function example
The above is the detailed content of HTML and JS implement a simple calculator. For more information, please follow other related articles on the PHP Chinese website!
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn