\u8bf4\u5b9e\u8bdd，\u524d\u7aef\u5f00\u53d1\u91cc\u6700\u8ba9\u4eba\u5934\u76ae\u53d1\u9ebb\u7684\u95ee\u9898，\u5185\u5b58\u6ea2\u51fa（Memory Leak）\u7edd\u5bf9\u6392\u524d\u4e09\u3002\u56e0\u4e3a\u5b83\u4e0d\u50cf\u62a5\u9519\u90a3\u6837\u4f1a\u76f4\u63a5\u7ed9\u4f60\u4e00\u4e2a\u7ea2\u53c9\u548c\u5806\u6808\u4fe1\u606f，\u800c\u662f\u6084\u65e0\u58f0\u606f\u5730\u8ba9\u4f60\u7684\u9875\u9762\u8d8a\u7528\u8d8a\u5361，\u6700\u540e\u76f4\u63a5\u5d29\u6389\u3002<\/p>\n
\u6211\u8bb0\u5f97\u6709\u4e00\u6b21，\u516c\u53f8\u7684\u4e00\u4e2a\u540e\u53f0\u7ba1\u7406\u7cfb\u7edf，\u7528\u6237\u53cd\u9988\u8bf4\u201c\u7528\u4e86\u4e00\u4e0a\u5348\u5c31\u5361\u5f97\u70b9\u4e0d\u52a8\u4e86\u201d\u3002\u6211\u4eec\u4e00\u5f00\u59cb\u8fd8\u4ee5\u4e3a\u662f\u63a5\u53e3\u6162，\u67e5\u4e86\u534a\u5929\u53d1\u73b0\u63a5\u53e3\u54cd\u5e94\u90fd\u6b63\u5e38\u3002\u540e\u6765\u6253\u5f00\u4efb\u52a1\u7ba1\u7406\u5668\u4e00\u770b，\u597d\u5bb6\u4f19，\u6807\u7b7e\u9875\u5185\u5b58\u5360\u7528\u5feb2\u4e2aG\u4e86\u3002\u8fd9\u5c31\u662f\u5178\u578b\u7684\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
\u4eca\u5929\u54b1\u4eec\u5c31\u6765\u804a\u804a，\u5f53\u9875\u9762\u51fa\u73b0\u5185\u5b58\u95ee\u9898\u65f6，\u5e94\u8be5\u600e\u4e48\u4e00\u6b65\u6b65\u53bb\u6392\u67e5\u3001\u5b9a\u4f4d\u3001\u4fee\u590d\u3002\u4e0d\u8bb2\u865a\u7684，\u76f4\u63a5\u4e0a\u5b9e\u64cd\u3002<\/p>\n
\u6709\u65f6\u5019\u9875\u9762\u5361\u987f，\u4e0d\u4e00\u5b9a\u662f\u5185\u5b58\u95ee\u9898，\u53ef\u80fd\u662fCPU\u5360\u7528\u9ad8\u3001\u7f51\u7edc\u6162\u3001\u6216\u8005DOM\u8282\u70b9\u592a\u591a\u5bfc\u81f4\u7684\u6e32\u67d3\u5361\u987f\u3002\u6240\u4ee5\u7b2c\u4e00\u6b65，\u5f97\u786e\u8ba4\u662f\u4e0d\u662f\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u5c31\u662f\u6253\u5f00\u6d4f\u89c8\u5668\u7684\u4efb\u52a1\u7ba1\u7406\u5668（Chrome\u91cc\u6309\u00a0Shift + Esc），\u627e\u5230\u4f60\u7684\u6807\u7b7e\u9875，\u89c2\u5bdf\u4e24\u4e2a\u6307\u6807：<\/p>\n
\u5185\u5b58\u5360\u7528：\u5982\u679c\u8fd9\u4e2a\u6570\u503c\u4e00\u76f4\u5728\u589e\u957f，\u6ca1\u6709\u56de\u843d，\u8bf4\u660e\u6709\u5185\u5b58\u6cc4\u6f0f<\/p>\n<\/li>\n
CPU\u5360\u7528：\u5982\u679cCPU\u4e00\u76f4\u5c45\u9ad8\u4e0d\u4e0b，\u53ef\u80fd\u662f\u5bc6\u96c6\u8ba1\u7b97\u6216\u8005\u9891\u7e41\u91cd\u7ed8<\/p>\n<\/li>\n<\/ul>\n
\u53e6\u4e00\u4e2a\u65b9\u6cd5\u662f\u6253\u5f00\u5f00\u53d1\u8005\u5de5\u5177（F12）\u00a0->\u00a0Performance（\u6027\u80fd）\u00a0\u9762\u677f，\u5f55\u5236\u4e00\u6bb5\u64cd\u4f5c，\u7136\u540e\u770b\u5185\u5b58\u66f2\u7ebf（Memory）\u3002\u6b63\u5e38\u7684\u5185\u5b58\u66f2\u7ebf\u5e94\u8be5\u662f\u6709\u5347\u6709\u964d\u7684（\u56e0\u4e3a\u5783\u573e\u56de\u6536\u4f1a\u5b9a\u65f6\u6e05\u7406），\u5982\u679c\u66f2\u7ebf\u662f\u4e00\u8def\u5411\u4e0a\u4e0d\u5e26\u56de\u5934\u7684，\u90a3\u57fa\u672c\u53ef\u4ee5\u786e\u5b9a\u6709\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
\u786e\u8ba4\u6709\u5185\u5b58\u6cc4\u6f0f\u4e4b\u540e，\u63a5\u4e0b\u6765\u8981\u627e\u51fa\u662f\u54ea\u4e2a\u5bf9\u8c61\u4e00\u76f4\u5728\u5360\u7528\u5185\u5b58\u3002\u8fd9\u65f6\u5019\u8981\u7528\u5230\u00a0Memory（\u5185\u5b58）\u00a0\u9762\u677f\u91cc\u7684\u00a0Heap Snapshot（\u5806\u5feb\u7167）\u3002<\/p>\n
\u64cd\u4f5c\u6b65\u9aa4：<\/p>\n
\u7b2c\u4e00\u6b65：\u6253\u5f00\u9875\u9762，\u505a\u4e00\u6b21\u521d\u59cb\u64cd\u4f5c（\u6bd4\u5982\u521a\u52a0\u8f7d\u5b8c），\u62cd\u7b2c\u4e00\u4e2a\u5feb\u7167（Snapshot 1）\u3002<\/p>\n
\u7b2c\u4e8c\u6b65：\u91cd\u590d\u6267\u884c\u67d0\u4e2a\u4f60\u8ba4\u4e3a\u53ef\u80fd\u6709\u95ee\u9898\u7684\u64cd\u4f5c（\u6bd4\u5982\u6253\u5f00\u4e00\u4e2a\u5f39\u7a97\u518d\u5173\u95ed，\u53cd\u590d10\u6b21）\u3002<\/p>\n
\u7b2c\u4e09\u6b65：\u62cd\u7b2c\u4e8c\u4e2a\u5feb\u7167（Snapshot 2），\u7136\u540e\u5207\u6362\u5230\u00a0Comparison（\u5bf9\u6bd4）\u00a0\u89c6\u56fe，\u9009\u62e9\u8ddf Snapshot 1 \u5bf9\u6bd4\u3002<\/p>\n
\u8fd9\u65f6\u5019\u4f60\u4f1a\u770b\u5230\u4e00\u4e2a\u5217\u8868，\u91cc\u9762\u5217\u51fa\u4e86\u201c\u65b0\u589e\u7684\u5bf9\u8c61\u201d\u548c\u201c\u4ecd\u7136\u5b58\u6d3b\u7684\u5bf9\u8c61\u201d\u3002\u91cd\u70b9\u5173\u6ce8\u90a3\u4e9b\u00a0#New\u00a0\u6570\u91cf\u591a\u3001\u4e14\u6ca1\u6709\u88ab\u91ca\u653e\u7684\u5bf9\u8c61\u3002<\/p>\n
\u6bd4\u5982\u4f60\u53d1\u73b0\u6709\u4e2a\u00a0Window\u00a0\u5bf9\u8c61\u6216\u00a0EventEmitter\u00a0\u5b9e\u4f8b\u4e00\u76f4\u6ca1\u88ab\u91ca\u653e，\u90a3\u5f88\u53ef\u80fd\u5c31\u662f\u4e8b\u4ef6\u76d1\u542c\u6ca1\u79fb\u9664\u3002\u5982\u679c\u4f60\u53d1\u73b0\u4e00\u5806\u00a0HTMLDivElement\u00a0\u6216\u00a0HTMLSpanElement\u00a0\u6ca1\u88ab\u91ca\u653e，\u90a3\u5c31\u662fDOM\u8282\u70b9\u6ca1\u6709\u88ab\u6b63\u786e\u56de\u6536\u3002<\/p>\n
\u8fd9\u662f\u6700\u7ecf\u5178\u7684\u5185\u5b58\u6cc4\u6f0f\u573a\u666f\u4e4b\u4e00\u3002<\/p>\n
\u770b\u8fd9\u6bb5\u4ee3\u7801：<\/p>\n
export default {
\n data() {
\n return {
\n count: 0
\n };
\n },
\n mounted() {
\n this.timer = setInterval(() => {
\n this.count++;
\n console.log(this.count);
\n }, 1000);
\n },
\n \/\/ \u5fd8\u8bb0\u5728 beforeUnmount \u91cc\u6e05\u9664\u5b9a\u65f6\u5668
\n};<\/p>\n
\u6bcf\u6b21\u8fdb\u5165\u8fd9\u4e2a\u9875\u9762，\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b9a\u65f6\u5668\u3002\u4f46\u79bb\u5f00\u9875\u9762\u65f6，\u5b9a\u65f6\u5668\u6ca1\u6709\u88ab\u6e05\u9664，\u5b83\u4ecd\u7136\u6301\u6709\u5bf9\u7ec4\u4ef6\u5b9e\u4f8b\u00a0this\u00a0\u7684\u5f15\u7528\u3002\u7ec4\u4ef6\u5b9e\u4f8b\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536，\u91cc\u9762\u7684\u6570\u636e\u3001DOM\u5f15\u7528\u5168\u88ab\u201c\u9501\u201d\u4f4f\u4e86\u3002<\/p>\n
\u9875\u9762\u8fdb\u51fa\u4e2a\u5341\u51e0\u6b21，\u5185\u5b58\u91cc\u5c31\u6512\u4e86\u5341\u51e0\u4e2a\u201c\u50f5\u5c38\u7ec4\u4ef6\u201d\u3002<\/p>\n
\u6392\u67e5\u65b9\u6cd5：\u5728 Heap Snapshot \u91cc\u641c\u7d22\u00a0setInterval\u00a0\u6216\u8005\u4f60\u7684\u7ec4\u4ef6\u540d，\u770b\u770b\u662f\u4e0d\u662f\u6709\u591a\u4e2a\u5b9e\u4f8b\u540c\u65f6\u5b58\u5728\u3002<\/p>\n
\u4fee\u590d\u65b9\u6cd5：<\/p>\n
beforeUnmount() {
\n if (this.timer) {
\n clearInterval(this.timer);
\n this.timer = null;
\n }
\n}<\/p>\n
\u5982\u679c\u7528\u7684\u662f Vue3 \u7684 setup \u8bed\u6cd5，\u5c31\u653e\u5728\u00a0onUnmounted\u00a0\u91cc\u3002<\/p>\n
\u4e8b\u4ef6\u76d1\u542c\u4e5f\u662f\u91cd\u707e\u533a\u3002\u7279\u522b\u662f\u5728\u00a0mounted\u00a0\u91cc\u7ed1\u5b9a\u4e86\u5168\u5c40\u4e8b\u4ef6，\u7136\u540e\u5728\u00a0beforeUnmount\u00a0\u91cc\u5fd8\u4e86\u79fb\u9664\u3002<\/p>\n
mounted() {
\n window.addEventListener('resize', this.handleResize);
\n document.addEventListener('scroll', this.handleScroll);
\n},
\n\/\/ \u5fd8\u4e86\u5728 beforeUnmount \u91cc removeEventListener<\/p>\n
\u5f53\u7ec4\u4ef6\u9500\u6bc1\u540e，\u8fd9\u4e9b\u4e8b\u4ef6\u76d1\u542c\u4f9d\u7136\u6302\u5728\u00a0window\u00a0\u6216\u00a0document\u00a0\u4e0a，\u800c\u4e14\u5b83\u4eec\u7684\u56de\u8c03\u51fd\u6570\u00a0handleResize\u00a0\u7ed1\u5b9a\u4e86\u7ec4\u4ef6\u7684\u00a0this，\u5bfc\u81f4\u6574\u4e2a\u7ec4\u4ef6\u5b9e\u4f8b\u65e0\u6cd5\u88ab\u56de\u6536\u3002<\/p>\n
\u6392\u67e5\u65b9\u6cd5：\u5728 Heap Snapshot \u91cc\u641c\u7d22\u00a0handleResize\u00a0\u6216\u00a0EventListener，\u770b\u662f\u5426\u6709\u88ab\u5378\u8f7d\u7ec4\u4ef6\u7684\u4e8b\u4ef6\u76d1\u542c\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n
\u4fee\u590d\u65b9\u6cd5：\u6210\u5bf9\u51fa\u73b0，\u6210\u5bf9\u6d88\u5931\u3002<\/p>\n
beforeUnmount() {
\n window.removeEventListener('resize', this.handleResize);
\n document.removeEventListener('scroll', this.handleScroll);
\n}<\/p>\n
\u8fd8\u6709\u4e00\u4e2a\u5bb9\u6613\u5ffd\u7565\u7684\u70b9：\u7528\u00a0addEventListener\u00a0\u7ed1\u5b9a\u4e86\u00a0DOM\u00a0\u4e8b\u4ef6\u7684\u533f\u540d\u51fd\u6570，\u662f\u65e0\u6cd5\u79fb\u9664\u7684，\u6240\u4ee5\u4e00\u5b9a\u8981\u7528\u5177\u540d\u51fd\u6570\u3002<\/p>\n
\u95ed\u5305\u662f\u4e2a\u597d\u4e1c\u897f，\u4f46\u7528\u4e0d\u597d\u4e5f\u4f1a\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
function createHeavyObject() {
\n const bigData = new Array(1000000).fill('*'); \/\/ \u5927\u6570\u7ec4
\n return function() {
\n \/\/ \u8fd9\u4e2a\u51fd\u6570\u867d\u7136\u6ca1\u6709\u76f4\u63a5\u4f7f\u7528 bigData
\n \/\/ \u4f46\u56e0\u4e3a\u95ed\u5305\u7684\u4f5c\u7528，bigData \u4e00\u76f4\u6d3b\u5728\u5185\u5b58\u91cc
\n console.log('hello');
\n };
\n}
\nconst fn = createHeavyObject();
\n\/\/ fn \u4e00\u76f4\u5b58\u5728，bigData \u5c31\u6c38\u8fdc\u91ca\u653e\u4e0d\u4e86<\/p>\n
\u66f4\u9690\u853d\u7684\u7248\u672c\u662f Vue \u7684 computed \u6216 watch \u91cc\u4f7f\u7528\u4e86\u5916\u90e8\u7684\u5927\u5bf9\u8c61：<\/p>\n
const bigData = ref(new Array(1000000).fill('*'));<\/p>\n
const someComputed = computed(() => {
\n \/\/ \u8fd9\u91cc\u5982\u679c\u8fd4\u56de\u4e86 bigData \u7684\u4e00\u90e8\u5206，\u5e76\u4e14\u88ab\u957f\u671f\u5f15\u7528
\n return bigData.value.slice(0, 100);
\n});
\n\/\/ \u5982\u679c\u4e0d\u5c0f\u5fc3\u628a someComputed \u8d4b\u503c\u7ed9\u4e86\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf，\u90a3\u6574\u4e2a bigData \u90fd\u91ca\u653e\u4e0d\u4e86<\/p>\n
\u6392\u67e5\u65b9\u6cd5：\u5728 Heap Snapshot \u91cc\u6309\u201cRetained Size（\u4fdd\u7559\u5927\u5c0f）\u201d\u6392\u5e8f，\u770b\u54ea\u4e9b\u5bf9\u8c61\u5360\u7528\u7684\u5185\u5b58\u6700\u5927，\u7136\u540e\u987a\u7740\u5f15\u7528\u94fe\u5f80\u4e0a\u627e，\u770b\u770b\u662f\u8c01\u5728\u5f15\u7528\u5b83\u3002<\/p>\n
\u4fee\u590d\u65b9\u6cd5：\u786e\u4fdd\u4e0d\u9700\u8981\u7684\u65f6\u5019，\u628a\u5f15\u7528\u7f6e\u4e3a\u00a0null\u3002\u6216\u8005\u5728\u95ed\u5305\u4e2d\u53ea\u4fdd\u7559\u5fc5\u8981\u7684\u6570\u636e，\u4e0d\u8981\u201c\u8fde\u5e26\u201d\u4e00\u5927\u5806\u65e0\u5173\u7684\u4e1c\u897f\u3002<\/p>\n
\u5f53\u4f60\u7528\u53d8\u91cf\u7f13\u5b58\u4e86\u4e00\u4e2aDOM\u8282\u70b9，\u4f46\u8be5\u8282\u70b9\u88ab\u4ece\u9875\u9762\u4e0a\u79fb\u9664\u4e86，\u4f60\u7684\u53d8\u91cf\u4ecd\u7136\u6307\u5411\u5b83，\u5bfc\u81f4\u8fd9\u4e2aDOM\u8282\u70b9\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\u3002<\/p>\n
let cachedDiv = document.getElementById('cached');<\/p>\n
function removeDiv() {
\n const div = document.getElementById('cached');
\n div.parentNode.removeChild(div);
\n \/\/ \u4f46 cachedDiv \u53d8\u91cf\u8fd8\u6307\u5411\u8fd9\u4e2a\u88ab\u79fb\u9664\u7684 div
\n \/\/ \u8fd9\u4e2a DOM \u8282\u70b9\u5c31\u6c38\u8fdc\u505c\u7559\u5728\u5185\u5b58\u91cc\u4e86
\n}<\/p>\n
\u6392\u67e5\u65b9\u6cd5：\u5728 Heap Snapshot \u91cc\u641c\u7d22\u00a0Detached（\u5206\u79bb\u7684）\u5173\u952e\u5b57，\u53ef\u4ee5\u627e\u5230\u6240\u6709\u5df2\u7ecf\u4eceDOM\u6811\u4e2d\u79fb\u9664\u4f46\u8fd8\u88abJS\u5f15\u7528\u7684\u8282\u70b9\u3002<\/p>\n
\u4fee\u590d\u65b9\u6cd5：\u79fb\u9664DOM\u8282\u70b9\u65f6，\u987a\u624b\u628aJS\u5f15\u7528\u4e5f\u7f6e\u7a7a\u3002<\/p>\n
function removeDiv() {
\n const div = document.getElementById('cached');
\n div.parentNode.removeChild(div);
\n cachedDiv = null; \/\/ \u624b\u52a8\u91ca\u653e
\n}<\/p>\n
\u2460 \u5f55\u5236\u6027\u80fd\u5e76\u67e5\u770b\u5185\u5b58\u66f2\u7ebf<\/p>\n
\u5728 Performance \u9762\u677f\u5f55\u5236\u4e00\u6bb5\u64cd\u4f5c，\u52fe\u9009\u00a0Memory\u00a0\u9009\u9879\u3002\u5f55\u5236\u7ed3\u675f\u540e，\u770b\u5e95\u90e8\u7684\u00a0Heap\u00a0\u66f2\u7ebf，\u5982\u679c\u66f2\u7ebf\u5728\u5783\u573e\u56de\u6536（\u56fe\u4e2d\u4f1a\u6709\u5c0f\u4e09\u89d2\u6807\u8bb0）\u540e\u6ca1\u6709\u660e\u663e\u4e0b\u964d，\u8bf4\u660e\u6709\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
\u2461 \u4f7f\u7528 Allocation Timeline（\u5206\u914d\u65f6\u95f4\u7ebf）<\/p>\n
\u5728 Memory \u9762\u677f\u9009\u62e9\u00a0Allocation instrumentation on timeline，\u7136\u540e\u5f00\u59cb\u5f55\u5236，\u5b83\u4f1a\u5b9e\u65f6\u663e\u793a\u5185\u5b58\u5206\u914d\u7684\u60c5\u51b5\u3002\u5982\u679c\u67d0\u4e2a\u64cd\u4f5c\u540e，\u5185\u5b58\u5206\u914d\u91cf\u7a81\u7136\u66b4\u589e\u4e14\u6ca1\u6709\u56de\u843d，\u90a3\u5c31\u662f\u95ee\u9898\u70b9\u3002<\/p>\n
\u2462 \u624b\u52a8\u89e6\u53d1\u5783\u573e\u56de\u6536<\/p>\n
\u5728 Memory \u9762\u677f\u5de6\u4fa7\u6709\u4e2a\u5c0f\u5783\u573e\u6876\u56fe\u6807，\u70b9\u51fb\u53ef\u4ee5\u624b\u52a8\u89e6\u53d1\u5783\u573e\u56de\u6536\u3002\u5728\u62cd\u5feb\u7167\u524d\u70b9\u4e00\u4e0b，\u53ef\u4ee5\u6392\u9664\u4e00\u4e9b\u201c\u6682\u5b58\u201d\u5bf9\u8c61\u7684\u5e72\u6270，\u8ba9\u5feb\u7167\u66f4\u5e72\u51c0\u3002<\/p>\n
\u4e0e\u5176\u7b49\u5230\u5185\u5b58\u6ea2\u51fa\u518d\u6392\u67e5，\u4e0d\u5982\u5728\u7f16\u7801\u65f6\u5c31\u517b\u6210\u597d\u4e60\u60ef：<\/p>\n
| \u5b9a\u65f6\u5668 \/ \u95f4\u9694\u5668<\/td>\n | mounted\u00a0\u91cc\u521b\u5efa，beforeUnmount\u00a0\u91cc\u6e05\u9664<\/td>\n<\/tr>\n |
| \u4e8b\u4ef6\u76d1\u542c（\u5168\u5c40）<\/td>\n | \u7ed1\u5b9a\u548c\u89e3\u7ed1\u6210\u5bf9\u51fa\u73b0<\/td>\n<\/tr>\n |
| \u7b2c\u4e09\u65b9\u5e93\u8ba2\u9605<\/td>\n | \u8c03\u7528\u00a0subscribe\u00a0\u540e，\u8bb0\u5f97\u5b58\u4e0b\u00a0unsubscribe\u00a0\u5e76\u8c03\u7528<\/td>\n<\/tr>\n |
| \u5927\u6570\u7ec4 \/ \u5927\u5bf9\u8c61<\/td>\n | \u7528\u5b8c\u540e\u624b\u52a8\u7f6e\u00a0null\u00a0\u91ca\u653e\u5f15\u7528<\/td>\n<\/tr>\n |
| DOM \u8282\u70b9\u5f15\u7528<\/td>\n | \u8282\u70b9\u79fb\u9664\u540e，\u53d8\u91cf\u4e5f\u7f6e\u00a0null<\/td>\n<\/tr>\n |
| \u8bf7\u6c42（fetch\/axios）<\/td>\n | \u7528\u00a0AbortController\u00a0\u5728\u7ec4\u4ef6\u9500\u6bc1\u65f6\u53d6\u6d88\u672a\u5b8c\u6210\u7684\u8bf7\u6c42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\u603b\u7ed3\u4e00\u4e0b\u6392\u67e5\u6d41\u7a0b<\/h5>\n\u89c2\u5bdf\u73b0\u8c61：\u9875\u9762\u8d8a\u6765\u8d8a\u5361，\u5185\u5b58\u5360\u7528\u6301\u7eed\u6500\u5347<\/p>\n<\/li>\n \u786e\u8ba4\u95ee\u9898：\u7528 Chrome \u4efb\u52a1\u7ba1\u7406\u5668\u6216 Performance \u9762\u677f\u786e\u8ba4\u5185\u5b58\u6cc4\u6f0f<\/p>\n<\/li>\n \u5b9a\u4f4d\u5bf9\u8c61：\u7528 Heap Snapshot \u5bf9\u6bd4\u6cd5，\u627e\u5230\u6cc4\u6f0f\u7684\u5bf9\u8c61\u7c7b\u578b<\/p>\n<\/li>\n \u8ffd\u6eaf\u4ee3\u7801：\u67e5\u770b\u5bf9\u8c61\u5f15\u7528\u94fe，\u627e\u5230\u662f\u8c01\u5728\u6301\u6709\u5b83<\/p>\n<\/li>\n \u4fee\u590d\u6839\u56e0：\u6309\u4e0a\u9762\u8868\u683c\u91cc\u7684\u65b9\u5f0f，\u6e05\u7406\u5b9a\u65f6\u5668\u3001\u76d1\u542c\u3001\u5f15\u7528\u7b49<\/p>\n<\/li>\n \u9a8c\u8bc1\u4fee\u590d：\u91cd\u65b0\u8dd1\u4e00\u904d\u64cd\u4f5c，\u786e\u8ba4\u5185\u5b58\u66f2\u7ebf\u6062\u590d\u6b63\u5e38<\/p>\n<\/li>\n \u6392\u67e5\u5185\u5b58\u6cc4\u6f0f\u786e\u5b9e\u662f\u4e2a\u7ec6\u6d3b，\u6709\u65f6\u5019\u4e00\u4e2a\u758f\u5ffd\u5c31\u80fd\u8ba9\u4f60\u6298\u817e\u4e00\u4e0b\u5348\u3002\u4f46\u4e00\u65e6\u638c\u63e1\u4e86\u8fd9\u5957\u65b9\u6cd5，\u5927\u90e8\u5206\u5185\u5b58\u95ee\u9898\u90fd\u80fd\u8fce\u5203\u800c\u89e3\u3002<\/p>\n \u5982\u679c\u4f60\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u9047\u5230\u8fc7\u66f4\u5947\u8469\u7684\u5185\u5b58\u6cc4\u6f0f\u6848\u4f8b，\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u5206\u4eab\u51fa\u6765，\u5927\u5bb6\u4e00\u8d77\u6da8\u59ff\u52bf\u3002\u89c9\u5f97\u6709\u7528\u7684\u8bdd，\u70b9\u4e2a\u6536\u85cf，\u4e0b\u6b21\u6392\u67e5\u7684\u65f6\u5019\u76f4\u63a5\u7ffb\u51fa\u6765\u5bf9\u7167\u7740\u6765~cPpzQ.cRv.ltD \u8bf4\u5b9e\u8bdd，\u524d\u7aef\u5f00\u53d1\u91cc\u6700\u8ba9\u4eba\u5934\u76ae\u53d1\u9ebb\u7684\u95ee\u9898，\u5185\u5b58\u6ea2\u51fa（Memory Leak）\u7edd\u5bf9\u6392\u524d\u4e09\u3002\u56e0\u4e3a\u5b83\u4e0d\u50cf\u62a5\u9519\u90a3\u6837\u4f1a\u76f4\u63a5\u7ed9\u4f60\u4e00\u4e2a\u7ea2\u53c9\u548c\u5806\u6808\u4fe1\u606f，\u800c\u662f\u6084\u65e0\u58f0\u606f\u5730\u8ba9\u4f60\u7684\u9875\u9762\u8d8a\u7528\u8d8a\u5361，\u6700\u540e\u76f4\u63a5\u5d29\u6389\u3002\u6211\u8bb0\u5f97\u6709\u4e00\u6b21，\u516c\u53f8\u7684\u4e00\u4e2a\u540e\u53f0\u7ba1\u7406\u7cfb\u7edf，\u7528\u6237\u53cd\u9988\u8bf4\u201c\u7528\u4e86\u4e00\u4e0a\u5348\u5c31\u5361\u5f97\u70b9\u4e0d\u52a8\u4e86\u201d\u3002\u6211\u4eec\u4e00\u5f00\u59cb\u8fd8\u4ee5\u4e3a\u662f\u63a5\u53e3\u6162，\u67e5\u4e86\u534a\u5929\u53d1\u73b0\u63a5\u53e3\u54cd\u5e94\u90fd\u6b63\u5e38\u3002\u540e\u6765\u6253\u5f00\u4efb\u52a1\u7ba1\u7406\u5668\u4e00\u770b，\u597d<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[722,99,190],"topic":[],"class_list":["post-108545","post","type-post","status-publish","format-standard","hentry","category-server","tag-ecmascript","tag-java","tag-190"],"yoast_head":"\n |