本文中計算器代碼很簡單，你可以很容易把該網頁特效應用到你的項目中。
HTML
首先我們在網頁上放置一個輸入框及多個計算器按鈕。
<div id="calcuator"> <input type="text" id="input-box" value="0" size="21" maxlength="21" readonly="readonly" /> <div id="btn-list"> <div onclick="operator('clear')" class=" btn-30 btn-radius color-red clear-marginleft"> C</div> <div onclick="operator('opposite')" class=" btn-30 btn-radius color-blue"> +/-</div> <div onclick="operator('percent')" class=" btn-30 btn-radius color-blue"> %</div> <div onclick="operator('backspace')" class=" btn-70 btn-radius color-red font-14"> ←</div> <div onclick="typetoinput('7')" class=" btn-30 btn-radius clear-marginleft"> 7</div> <div onclick="typetoinput('8')" class=" btn-30 btn-radius"> 8</div> <div onclick="typetoinput('9')" class=" btn-30 btn-radius"> 9</div> <div onclick="operator('plus')" class=" btn-30 btn-radius color-blue font-14"> +</div> <div onclick="operator('minus')" class=" btn-30 btn-radius color-blue font-14"> -</div> <div onclick="typetoinput('4')" class=" btn-30 btn-radius clear-marginleft"> 4</div> <div onclick="typetoinput('5')" class=" btn-30 btn-radius"> 5</div> <div onclick="typetoinput('6')" class=" btn-30 btn-radius"> 6</div> <div onclick="operator('multiply')" class=" btn-30 btn-radius color-blue font-14"> ×</div> <div onclick="operator('divide')" class=" btn-30 btn-radius color-blue font-12"> ÷</div> <div onclick="typetoinput('1')" class=" btn-30 btn-radius clear-marginleft"> 1</div> <div onclick="typetoinput('2')" class=" btn-30 btn-radius"> 2</div> <div onclick="typetoinput('3')" class=" btn-30 btn-radius"> 3</div> <div onclick="operator('pow')" class=" btn-30 btn-radius color-blue font-14"> ײ</div> <div onclick="operator('sqrt')" class=" btn-30 btn-radius color-blue font-12"> √</div> <div onclick="typetoinput('0')" class=" btn-70 btn-radius clear-marginleft"> 0</div> <div onclick="typetoinput('.')" class=" btn-30 btn-radius"> .</div> <div onclick="operator('result')" class=" btn-70 btn-radius color-red font-14"> =</div> </div> </div>js
根據操作類型作相應操作：
function operator(type) { switch (type) { case "clear": input.value = "0"; _string.length = 0; /*document.getElementById("ccc").innerHTML=""; for(i=0;i<_string.length;i++) { document.getElementById("ccc").innerHTML+=_string[i]+" " }*/ break; case "backspace": if (checknum(input.value) != 0) { input.value = input.value.replace(/.$/, ''); if (input.value == "") { input.value = "0"; } } break; case "opposite": if (checknum(input.value) != 0) { input.value = -input.value; } break; case "percent": if (checknum(input.value) != 0) { input.value = input.value / 100; } break; case "pow": if (checknum(input.value) != 0) { input.value = Math.pow(input.value, 2); } break; case "sqrt": if (checknum(input.value) != 0) { input.value = Math.sqrt(input.value); } break; case "plus": if (checknum(input.value) != 0) { _string.push(input.value); _type = "plus"input.value = "+"; input.name = "type"; } break; case "minus": if (checknum(input.value) != 0) { _string.push(input.value); _type = "minus"input.value = "-"; input.name = "type"; } break; case "multiply": if (checknum(input.value) != 0) { _string.push(input.value); _type = "multiply"input.value = "×"; input.name = "type"; } break; case "divide": if (checknum(input.value) != 0) { _string.push(input.value); _type = "divide"input.value = "÷"; input.name = "type"; } break; case "result": if (checknum(input.value) != 0) { _string.push(input.value); if (parseInt(_string.length) % 2 != 0) { _string.push(_string[_string.length - 2]) } if (_type == "plus") { input.value = parseFloat(result(_string)[0]) + parseFloat(result(_string)[1]); input.name = "type" } else if (_type == "minus") { input.value = parseFloat(result(_string)[0]) - parseFloat(result(_string)[1]); input.name = "type" } else if (_type == "multiply") { input.value = parseFloat(result(_string)[0]) * parseFloat(result(_string)[1]); input.name = "type" } else if (_type == "divide") { input.value = parseFloat(result(_string)[0]) / parseFloat(result(_string)[1]); input.name = "type" } break; } } }以上所述就是本文的全部內容了，希望大家能夠喜歡。
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