用 JavaScript 做小游戲不難，掌握基礎(chǔ)結(jié)構(gòu)和邏輯即可。核心是 HTML 搭界面、CSS 控樣式、JS 寫(xiě)邏輯，外加互動(dòng)處理；準(zhǔn)備好文本編輯器（如 VS Code）、瀏覽器（如 Chrome）及三個(gè)基礎(chǔ)文件 index.html、style.css 和 game.js；建議從“點(diǎn)擊得分”或“躲避小球”等簡(jiǎn)單游戲入手，包含事件觸發(fā)、動(dòng)畫(huà)移動(dòng)、得分統(tǒng)計(jì)等基本要素；以“點(diǎn)擊氣泡”為例，關(guān)鍵步驟包括創(chuàng)建氣泡元素并設(shè)置樣式、綁定點(diǎn)擊事件實(shí)現(xiàn)加分與移除、使用定時(shí)器生成新氣泡；還需注意清除定時(shí)器、防止重復(fù)點(diǎn)擊、適配屏幕、性能優(yōu)化等細(xì)節(jié)問(wèn)題。
想用 JavaScript 做個(gè)小游戲？其實(shí)不難，只要掌握基本結(jié)構(gòu)和邏輯，就能跑起來(lái)。核心就是 HTML 搭畫(huà)面、CSS 控樣式、JS 寫(xiě)邏輯，外加一點(diǎn)互動(dòng)處理。
準(zhǔn)備好開(kāi)發(fā)環(huán)境
先搭個(gè)簡(jiǎn)單的開(kāi)發(fā)環(huán)境。你只需要一個(gè)文本編輯器（比如 VS Code）、瀏覽器（Chrome 最方便調(diào)試），以及三個(gè)基礎(chǔ)文件：index.html、style.css 和 game.js。
- HTML 用來(lái)放畫(huà)布或按鈕等界面元素
- CSS 負(fù)責(zé)調(diào)整外觀(guān)，比如背景色、位置對(duì)齊
- JS 是主邏輯所在地，包括游戲循環(huán)、事件監(jiān)聽(tīng)等
不需要裝太多庫(kù)，原生 JS 就夠新手練手用了。
選個(gè)簡(jiǎn)單的游戲類(lèi)型入手
新手建議從“點(diǎn)擊得分”或者“躲避小球”這種小游戲開(kāi)始。這類(lèi)游戲通常包含：
- 點(diǎn)擊或鍵盤(pán)事件觸發(fā)
- 動(dòng)畫(huà)或移動(dòng)效果
- 得分統(tǒng)計(jì)或碰撞檢測(cè)
比如做一個(gè)“點(diǎn)擊氣泡”的小游戲：頁(yè)面上隨機(jī)出現(xiàn)氣泡，點(diǎn)擊它們會(huì)消失并加分。這種玩法簡(jiǎn)單但能涵蓋基本的 DOM 操作和定時(shí)任務(wù)。
核心邏輯怎么寫(xiě)？
以“點(diǎn)擊氣泡”為例，關(guān)鍵點(diǎn)有這幾個(gè)：
- 創(chuàng)建氣泡元素并添加到頁(yè)面上
- 給每個(gè)氣泡綁定點(diǎn)擊事件
- 設(shè)置定時(shí)器讓氣泡自動(dòng)消失或移動(dòng)
- 顯示分?jǐn)?shù)并更新 UI
舉個(gè)例子，創(chuàng)建氣泡可以用 JS 動(dòng)態(tài)生成 div，并設(shè)置樣式位置：
const bubble = document.createElement('div');
bubble.classList.add('bubble');
bubble.style.top = Math.random() * 300 + 'px';
bubble.style.left = Math.random() * 500 + 'px';
document.body.appendChild(bubble);然后給它加點(diǎn)擊事件：
bubble.addEventListener('click', () => {
score += 1;
bubble.remove();
});再配合 setInterval 定時(shí)生成新氣泡，游戲就動(dòng)起來(lái)了。
注意幾個(gè)容易忽略的小細(xì)節(jié)
- 清除定時(shí)器：比如用了 setInterval，記得在合適的時(shí)候 clear，不然容易卡頓甚至出錯(cuò)。
- 防重復(fù)點(diǎn)擊：有時(shí)候用戶(hù)可能快速點(diǎn)擊多次，可以加個(gè)判斷防止誤操作。
- 適配屏幕大小：別只在一個(gè)分辨率下測(cè)試，特別是坐標(biāo)計(jì)算的地方要注意邊界值。
- 性能優(yōu)化：如果氣泡太多，考慮回收機(jī)制，而不是一直新建 DOM 元素。
基本上就這些了。剛開(kāi)始不用追求復(fù)雜功能，先把流程跑通，再慢慢加?xùn)|西進(jìn)去。
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