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<!DOCTYPE html>
< html lang = "zh" >
< head >
< meta charset = "UTF-8" >
< meta name = "viewport" content = "width=device-width, initial-scale=1.0" >
< title > iPhone计算器< / title >
< link rel = "stylesheet" href = "style.css" > <!-- 引入CSS样式文件 -->
< / head >
< body >
< div class = "calculator" >
< div class = "display" id = "display" > 0< / div > <!-- 显示区 -->
< div class = "buttons" >
< button class = "button function" onclick = "clearDisplay()" > AC< / button >
< button class = "button function" onclick = "percent()" > %< / button >
< button class = "button operator" onclick = "setOperation('/')" > ÷< / button >
< button class = "button operator" onclick = "setOperation('*')" > × < / button >
< button class = "button" onclick = "appendNumber(7)" > 7< / button >
< button class = "button" onclick = "appendNumber(8)" > 8< / button >
< button class = "button" onclick = "appendNumber(9)" > 9< / button >
< button class = "button operator" onclick = "setOperation('-')" > -< / button >
< button class = "button" onclick = "appendNumber(4)" > 4< / button >
< button class = "button" onclick = "appendNumber(5)" > 5< / button >
< button class = "button" onclick = "appendNumber(6)" > 6< / button >
< button class = "button operator" onclick = "setOperation('+')" > +< / button >
< button class = "button" onclick = "appendNumber(1)" > 1< / button >
< button class = "button" onclick = "appendNumber(2)" > 2< / button >
< button class = "button" onclick = "appendNumber(3)" > 3< / button >
< button class = "button operator equal" onclick = "calculate()" > =< / button >
< button class = "button zero" onclick = "appendNumber(0)" > 0< / button >
< button class = "button" onclick = "appendSymbol('.')" > .< / button >
< / div >
< / div >
< script src = "script.js" > < / script > <!-- 引入JavaScript文件 -->
< / body >
< / html >
