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这篇文章将为大家详细讲解有关如何使用JavaScript定时器制作弹窗小广告,小编觉得挺实用的,因此分享给大家做个参考,希望大家阅读完这篇文章后可以有所收获。
具体内容如下
<head> <meta charset="UTF-8"> <title>Title</title> <style type="text/css"> * { padding: 0; margin: 0; } li { list-style: none; } body { background: #940032; } #counter { width: 500px; height: 420px; background: #939; margin: 50px auto 0; position: relative; } #counter h3 { line-height: 42px; padding-left: 15px; font-size: 14px; font-family: arial; color: #ff3333; } #counter a { font-weight: normal; text-decoration: none; color: #ff3333; } #counter a:hover { text-decoration: underline; } #bg { width: 280px; height: 200px; border: 3px solid #680023; background: #990033; filter: alpha(opacity=80); opacity: 0.8; position: absolute; left: 50%; top: 115px; margin-left: -141px; } #counter_content { width: 250px; position: absolute; top: 130px; left: 130px; z-index: 1; } #counter_content h4 { margin-bottom: 10px; } #counter_content h4 input { border: none; width: 223px; height: 30px; line-height: 30px; padding: 0 10px; background: url(img/ico.png) no-repeat; text-align: right; color: #333; font-size: 14px; font-weight: bold; } #counter_content div { width: 250px; } #counter_content input { width: 60px; height: 30px; line-height: 30px; float: left; background: url(img/ico.png) no-repeat -303px 0; text-align: center; color: #fff; cursor: pointer; margin: 0 1px 4px 0; border: 0; } #counter_content div > input:hover { background: url(img/ico.png) no-repeat -243px 0; } #counter p { width: 500px; position: absolute; bottom: 20px; left: 0; color: #ff3333; text-align: center; font-size: 12px; } </style> </head> <body> <div id="counter"> <h3>简易计算</h3> <div id="counter_content"> <h4><input id="input1" type="text" value="0"/></h4> <div id="div1"> <input type="button" value="7" onclick="kick('7')"/> <input type="button" value="8" onclick="kick('8')"/> <input type="button" value="9" onclick="kick('9')"/> <input type="button" value="+" onclick="kick('+')"/> <input type="button" value="4" onclick="kick('4')"/> <input type="button" value="5" onclick="kick('5')"/> <input type="button" value="6" onclick="kick('6')"/> <input type="button" value="-" onclick="kick('-')"/> <input type="button" value="1" onclick="kick('1')"/> <input type="button" value="2" onclick="kick('2')"/> <input type="button" value="3" onclick="kick('3')"/> <input type="button" value="*" onclick="kick('*')"/> <input type="button" value="0" onclick="kick('0')"/> <input type="button" value="C" onclick="kick('C')"/> <input type="button" value="=" onclick="kick('=')"/> <input type="button" value="/" onclick="kick('/')"/> </div> </div> </div> </body> <script> var showInput = document.getElementById("input1"); var isClear = false; var tempStr = ""; var clacType = ""; var isContinue = true; function kick(clickValue) { switch (clickValue) { case "=": if (tempStr != "" && clacType != "") { showInput.value = clac(tempStr, showInput.value, clacType); isContinue = false; clacType = ""; } break; case "+": case "-": case "*": case "/": //如果预存的操作符不为空 表示表示连续操作 if (clacType != "" && !isContinue) { //先执行计算 tempStr = clac(tempStr, showInput.value, clacType); isClear = true; clacType = clickValue; } else { tempStr = showInput.value; //点击操作符之后 预存字符 isClear = true;//表示点击了操作符 clacType = clickValue;//预存操作符 } isContinue = true; break; case "C": showInput.value = "0"; isClear = false; tempStr = ""; clacType = ""; break; default://普通的数字按钮点击 showInput.value = showInput.value == "0" ? "" : showInput.value; isContinue = false; if (isClear) { showInput.value = ""; showInput.value += clickValue; isClear = false; } else { showInput.value += clickValue; } break; } } function clac(num1, num2, type) { switch (type) { case "+": return Number(num1) + Number(num2); case "-": return Number(num1) - Number(num2); case "*": return Number(num1) * Number(num2); case "/": return Number(num1) / Number(num2); default: break; } } </script>
效果图:
关于“如何使用JavaScript定时器制作弹窗小广告”这篇文章就分享到这里了,希望以上内容可以对大家有一定的帮助,使各位可以学到更多知识,如果觉得文章不错,请把它分享出去让更多的人看到。
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