javascript简易计算器,javascript如何实现计算器功能

javascript简易计算器,javascript如何实现计算器功能详细介绍

*{ margin: 0px; padding: 0px; } .mytable{ border: 1px solid black; border-spacing: 0px; margin: 0 auto; } .mytable td{ border: 1px solid black; padding: 20px; text-align: center; vertical-align: middle; cursor:pointer !important; } td:hover{ background-color: lightsteelblue; } #content{ font-size: 20px; margin: 0 auto; width:262px; background-color:white; } .screen{ height: 80px; padding-right: 8px; background-color:rgb(112,131,147); opacity: 0.8; text-align: right; line-height:80px; font-size: 40px; overflow: hidden; } .yellow{ background-color:rgb(255,152,62); } .gray{ background-color: #808080; } 计算器

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