js实现一个简单的加减乘除计算器效果代码
代码语言:html
所属分类:其他
代码描述:js实现一个简单的加减乘除计算器效果代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html> <html lang="en" > <head> <meta charset="UTF-8"> <style> /* Basic reset */ * { margin: 0; padding: 0; box-sizing: border-box; /* Better text styling */ font: bold 14px Arial, sans-serif; } /* Finally adding some IE9 fallbacks for gradients to finish things up */ /* A nice BG gradient */ html { height: 100%; background: white; background: radial-gradient(circle, #fff 20%, #ccc); background-size: cover; } /* Using box shadows to create 3D effects */ #calculator { width: 325px; height: auto; margin: 30px auto; padding: 20px 20px 9px; background: #9dd2ea; background: linear-gradient(#9dd2ea, #8bceec); border-radius: 3px; box-shadow: 0px 4px #009de4, 0px 10px 15px rgba(0, 0, 0, 0.2); } /* Top portion */ .top span.clear { float: left; } /* Inset shadow on the screen to create indent */ .top .screen { height: 40px; width: 212px; float: right; padding: 0 10px; background: rgba(0, 0, 0, 0.2); border-radius: 3px; box-shadow: inset 0px 4px rgba(0, 0, 0, 0.2); /* Typography */ font-size: 17px; line-height: 40px; color: white; text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2); text-align: right; letter-spacing: 1px; } /* Clear floats */ .keys, .top {overflow: hidden;} /* Applying same to the keys */ .keys span, .top span.clear { float: left; position: relative; top: 0; cursor: pointer; width: 66px; height: 36px; background: white; border-radius: 3px; box-shadow: 0px 4px rgba(0, 0, 0, 0.2); margin: 0 7px 11px 0; color: #888; line-height: 36px; text-align: center; /* prevent selection of text inside keys */ user-select: none; /* Smoothing out hover and active states using css3 transitions */ transition: all 0.2s ease; } /* Remove right margins from operator keys */ /* style different type of keys (operators/evaluate/clear) differently */ .keys span.operator { background: #FFF0F5; margin-right: 0; } .keys span.eval { background: #f1ff92; box-shadow: 0px 4px #9da853; color: #888e5f; } .top span.clear { background: #ff9fa8; box-shadow: 0px 4px #ff7c87; color: white; } /* Some hover effects */ .keys span:hover { background: #9c89f6; box-shadow: 0px 4px #6b54d3; color: white; } .keys span.eval:hover { background: #abb850; box-shadow: 0px 4px #717a33; color: #ffffff; } .top span.clear:hover { background: #f68991; box-shadow: 0px 4px #d3545d; color: white; } /* Simulating "pressed" effect on active state of the keys by removing the box-shadow and moving the keys down a bit */ .keys span:active { box-shadow: 0px 0px #6b54d3; top: 4px; } .keys span.eval:active { box-shadow: 0px 0px #717a33; top: 4px; } .top span.clear:active { top: 4px; box-shadow: 0px 0px #d3545d; } h1 { text-align: center; padding-bottom: 30px; } a.link { text-decoration: none; font: normal 14px Helvetica, Arial, sans-serif; color: green; } </style> </head> <body > <div id="calculator"> <!-- Screen and clear key --> <div class="top"> <span class="clear">C</span> <div class="screen"></div> </div> <div class="keys"> <!-- operators and other keys --> <span>7</span> <span>8</span> <span>9</span> <span class="operator">+</span> <span>4</span> <span>5</span> <span>6</span> <span class="operator">-</span> <span>1</span> <span>2</span> <span>3</span> <span class="operator">÷</span> <span>0</span> <span>.</span> <span class="eval">=</span> <span class="operat.........完整代码请登录后点击上方下载按钮下载查看
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