DailyStudyRecord

Life is short,you need Python.

<title>在线计算器</title> <style> /*Basic reset*/ *{ margin:0; padding:0; box-sizing: border-box; font: 14px Arial,sans-serif; } html{ height:100%; background-color:lightslategrey; }

#calculator{ margin: 200px auto; width:330px; height:400px; border: 1px solid lightgray; background-color:darkgrey; padding:15px; position: relative; background-image: url(61782be166c826c8-653ea5468e5789eb-f1438d5f70173da8a45c431a5d1097df.jpg); }

/LOGO/ .LOGO{ height:20px;

} .LOGO .name{ float:left; line-height:30px; } .LOGO .verson{ float:right; line-height:30px; } /screen/ #shuRu{ margin-top:15px; } .screen{ margin-top:5px; width:300px; height:40px; text-align: right; padding-right:10px; font-size:20px; } #keys{ border:1px solid lightgray; height:223px; margin-top:25px; padding:8px; } #keys .last{ margin-right:0px; } .footer{ margin-top:20px; height:20px; } .footer .link{ float:right; }

#keys .buttons{ float:left; width: 42px; height: 36px; text-align:center; background-color:lightgray; margin: 0 17px 20px 0; } </style>

<script>
    var num = 0;  // 定义第一个输入的数据
    function jsq(num) {
        //获取当前输入
        if(num=="%"){
            document.getElementById('screenName').value=Math.round(document.getElementById('screenName').value)/100;
        }else{
            document.getElementById('screenName').value += document.getElementById(num).value;
        }
    }
    function eva() {
        //计算输入结果
        document.getElementById("screenName").value = eval(document.getElementById("screenName").value);
    }
    function clearNum() {
        //清0
        document.getElementById("screenName").value = null;
        document.getElementById("screenName").focus();
    }
    function tuiGe() {
        //退格
        var arr = document.getElementById("screenName");
        arr.value = arr.value.substring(0, arr.value.length - 1);
    }
</script>

计算器 果大哥

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