{"id":1950,"date":"2017-09-07T14:29:18","date_gmt":"2017-09-07T06:29:18","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=1950"},"modified":"2017-09-07T14:29:18","modified_gmt":"2017-09-07T06:29:18","slug":"asm-js-%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=1950","title":{"rendered":"asm.js \u5165\u95e8\u6559\u7a0b"},"content":{"rendered":"<p>\n\t\u6b63\u5982\u8bb8\u591a\u5f00\u53d1\u8005\u4e00\u6837\uff0c\u6211\u4e5f\u4e3aAsm.js\u7684\u524d\u666f\u800c\u611f\u5230\u5174\u594b\u4e0d\u5df2\u3002\n<\/p>\n<p>\n\t\u83b7\u5f97\u4e00\u4e2aC++\u6e38\u620f\u5f15\u64ce\u8fd0\u884cJavascript\uff0c\u5e76\u4f7f\u7528WebGL\u6765\u6e32\u67d3\uff0c\u8fd9\u662f\u4e00\u4e2a\u91cd\u5927\u7684\u7a81\u7834\uff0c\u8fd9\u4e2a\u7a81\u7834\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5f52\u529f\u4e8eMozilla\u5f00\u53d1\u7684\u5de5\u5177\u94fe\uff0c\u624d\u4f7f\u5f97\u8fd9\u4e00\u5207\u53d8\u5f97\u53ef\u80fd\u3002\n<\/p>\n<p>\n\t2012\u5e74\uff0cMozilla \u7684\u5de5\u7a0b\u5e08&nbsp;<a href=\"https:\/\/github.com\/kripken\" target=\"_blank\">Alon Zakai<\/a>&nbsp;\u5728\u7814\u7a76 LLVM \u7f16\u8bd1\u5668\u65f6\u7a81\u53d1\u5947\u60f3\uff1a\u8bb8\u591a 3D \u6e38\u620f\u90fd\u662f\u7528 C \/ C++ \u8bed\u8a00\u5199\u7684\uff0c\u5982\u679c\u80fd\u5c06 C \/ C++ \u8bed\u8a00\u7f16\u8bd1\u6210 JavaScript \u4ee3\u7801\uff0c\u5b83\u4eec\u4e0d\u5c31\u80fd\u5728\u6d4f\u89c8\u5668\u91cc\u8fd0\u884c\u4e86\u5417\uff1f\u4f17\u6240\u5468\u77e5\uff0cJavaScript \u7684\u57fa\u672c\u8bed\u6cd5\u4e0e C \u8bed\u8a00\u9ad8\u5ea6\u76f8\u4f3c\u3002\n<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"asm.js\" src=\"http:\/\/www.ruanyifeng.com\/blogimg\/asset\/2017\/bg2017090301.png\" style=\"width: 700px;height: 393px\" \/>\n<\/p>\n<h2>\n\tAsm.js \u662f\u4ec0\u4e48?<br \/>\n<\/h2>\n<p>\n\t\u4e3a\u4e86\u7406\u89e3 Asm.js \u53ca\u5176\u9002\u7528\u4e0e\u6d4f\u89c8\u5668\u7684\u6240\u5728\uff0c\u4f60\u9700\u8981\u77e5\u9053\u5b83\u7684\u7531\u6765\u4ee5\u53ca\u5b83\u5b58\u5728\u7684\u610f\u4e49\u3002<br \/>\n\tAsm.js \u6765\u81ea\u4e8e JavaScript \u5e94\u7528\u7684\u4e00\u4e2a\u65b0\u9886\u57df: \u7f16\u8bd1\u6210JavaScript\u7684C\/C++\u5e94\u7528. \u5b83\u662f JavaScript \u5e94\u7528\u7684\u4e00\u4e2a\u5168\u65b0\u6d41\u6d3e\uff0c\u7531 Mozilla \u7684 Emscripten\u9879\u76ee\u50ac\u751f\u800c\u6765\u3002<br \/>\n\tEmscripten \u5c06 C\/C++ \u4ee3\u7801\u4f20\u5165 &nbsp;LLVM, \u5e76\u5c06 LLVM\u751f\u6210\u7684\u5b57\u8282\u7801\u8f6c\u6362\u6210 JavaScript (\u5177\u4f53\u7684, Asm.js, \u662f JavaScript \u7684\u4e00\u4e2a\u5b50\u96c6\u3002\n<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"asm.js \u67b6\u6784\" src=\"http:\/\/img.bbs.csdn.net\/upload\/201709\/07\/1504764263_369791.png\" style=\"width: 640px;height: 480px\" \/>\n<\/p>\n<p>\n\t\u5982\u679c\u88ab\u7f16\u8bd1\u6210\u7684 Asm.js \u7684\u4ee3\u7801\u505a\u4e86\u4e00\u4e9b\u6e32\u67d3\u5de5\u4f5c\uff0c\u90a3\u4e48\u5b83\u51e0\u4e4e\u603b\u662f\u7531WebGL\u6765\u5904\u7406\u7684 (\u5e76\u4e14\u7531 OpenGL \u6765\u6e32\u67d3). \u8fd9\u6837\u6280\u672f\u4e0a\u5c31\u5229\u7528\u4e86JavaScript \u548c\u6d4f\u89c8\u5668\u7684\u597d\u5904\uff0c\u4f46\u51e0\u4e4e\u5b8c\u5168\u907f\u5f00\u4e86\u9875\u9762\u4e2dJavascript\u4f7f\u7528\u7684\u5b9e\u9645\u7684\u3001\u5e38\u89c4\u7684\u4ee3\u7801\u6267\u884c\u548c\u6e32\u67d3\u8def\u5f84\u3002\n<\/p>\n<h2>\n\tasm.js \u7684\u539f\u7406<br \/>\n<\/h2>\n<p>\n\tC \/ C++ \u7f16\u8bd1\u6210 JS \u6709\u4e24\u4e2a\u6700\u5927\u7684\u56f0\u96be\u3002\n<\/p>\n<ul>\n<li>\n\t\tC \/ C++ \u662f\u9759\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u800c JS \u662f\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\u3002\n\t<\/li>\n<li>\n\t\tC \/ C++ \u662f\u624b\u52a8\u5185\u5b58\u7ba1\u7406\uff0c\u800c JS \u4f9d\u9760\u5783\u573e\u56de\u6536\u673a\u5236\u3002\n\t<\/li>\n<\/ul>\n<p>\n\tasm.js \u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e24\u4e2a\u95ee\u9898\u800c\u8bbe\u8ba1\u7684\uff1a\u5b83\u7684\u53d8\u91cf\u4e00\u5f8b\u90fd\u662f\u9759\u6001\u7c7b\u578b\uff0c\u5e76\u4e14\u53d6\u6d88\u5783\u573e\u56de\u6536\u673a\u5236\u3002\u9664\u4e86\u8fd9\u4e24\u70b9\uff0c\u5b83\u4e0e JavaScript \u5e76\u65e0\u5dee\u5f02\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0casm.js \u662f JavaScript \u7684\u4e00\u4e2a\u4e25\u683c\u7684\u5b50\u96c6\uff0c\u53ea\u80fd\u4f7f\u7528\u540e\u8005\u7684\u4e00\u90e8\u5206\u8bed\u6cd5\u3002\n<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"asm.js \u7b80\u4ecb\" src=\"http:\/\/img.bbs.csdn.net\/upload\/201709\/07\/1504764733_852798.jpg\" style=\"width: 700px;height: 329px\" \/>\n<\/p>\n<p>\n\t\u4e00\u65e6 JavaScript \u5f15\u64ce\u53d1\u73b0\u8fd0\u884c\u7684\u662f asm.js\uff0c\u5c31\u77e5\u9053\u8fd9\u662f\u7ecf\u8fc7\u4f18\u5316\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u8df3\u8fc7\u8bed\u6cd5\u5206\u6790\u8fd9\u4e00\u6b65\uff0c\u76f4\u63a5\u8f6c\u6210\u6c47\u7f16\u8bed\u8a00\u3002\u53e6\u5916\uff0c\u6d4f\u89c8\u5668\u8fd8\u4f1a\u8c03\u7528 WebGL \u901a\u8fc7 GPU \u6267\u884c asm.js\uff0c\u5373 asm.js \u7684\u6267\u884c\u5f15\u64ce\u4e0e\u666e\u901a\u7684 JavaScript \u811a\u672c\u4e0d\u540c\u3002\u8fd9\u4e9b\u90fd\u662f asm.js \u8fd0\u884c\u8f83\u5feb\u7684\u539f\u56e0\u3002\u636e\u79f0\uff0casm.js \u5728\u6d4f\u89c8\u5668\u91cc\u7684\u8fd0\u884c\u901f\u5ea6\uff0c\u5927\u7ea6\u662f\u539f\u751f\u4ee3\u7801\u768450%\u5de6\u53f3\u3002<br \/>\n\t\u4e0b\u9762\u5c31\u4f9d\u6b21\u4ecb\u7ecd asm.js \u7684\u4e24\u5927\u8bed\u6cd5\u7279\u70b9\u3002\n<\/p>\n<h2>\n\t\u9759\u6001\u7c7b\u578b\u7684\u53d8\u91cf<br \/>\n<\/h2>\n<p>\n\tasm.js \u53ea\u63d0\u4f9b\u4e24\u79cd<a href=\"http:\/\/asmjs.org\/spec\/latest\/#value-types\" target=\"_blank\">\u6570\u636e\u7c7b\u578b<\/a>\u3002\n<\/p>\n<ul>\n<li>\n\t\t32\u4f4d\u5e26\u7b26\u53f7\u6574\u6570\n\t<\/li>\n<li>\n\t\t64\u4f4d\u5e26\u7b26\u53f7\u6d6e\u70b9\u6570\n\t<\/li>\n<\/ul>\n<p>\n\t<img decoding=\"async\" alt=\"JavaScript\u4e2d\u7684\u6570\u636e\u7c7b\u578b\" src=\"http:\/\/img.bbs.csdn.net\/upload\/201709\/07\/1504765357_1745.png\" style=\"width: 779px;height: 348px\" \/>\n<\/p>\n<p>\n\t\u5176\u4ed6\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u6216\u8005\u5bf9\u8c61\uff0casm.js \u4e00\u6982\u4e0d\u63d0\u4f9b\u3002\u5b83\u4eec\u90fd\u662f\u4ee5\u6570\u503c\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u901a\u8fc7&nbsp;<a href=\"http:\/\/es6.ruanyifeng.com\/#docs\/arraybuffer\">TypedArray<\/a>&nbsp;\u8c03\u7528\u3002\n<\/p>\n<p>\n\t\u5982\u679c\u53d8\u91cf\u7684\u7c7b\u578b\u8981\u5728\u8fd0\u884c\u65f6\u786e\u5b9a\uff0casm.js \u5c31\u8981\u6c42\u4e8b\u5148\u58f0\u660e\u7c7b\u578b\uff0c\u5e76\u4e14\u4e0d\u5f97\u6539\u53d8\uff0c\u8fd9\u6837\u5c31\u8282\u7701\u4e86\u7c7b\u578b\u5224\u65ad\u7684\u65f6\u95f4\u3002\n<\/p>\n<p>\n\tasm.js \u7684\u7c7b\u578b\u58f0\u660e\u6709\u56fa\u5b9a\u5199\u6cd5\uff0c<code>\u53d8\u91cf | 0<\/code>\u8868\u793a\u6574\u6570\uff0c<code>+\u53d8\u91cf<\/code>\u8868\u793a\u6d6e\u70b9\u6570\u3002\n<\/p>\n<pre class=\"brush:jscript;\">\r\nvar a = 1;\r\nvar x = a | 0;  \/\/ x \u662f32\u4f4d\u6574\u6570\r\nvar y = +a;  \/\/ y \u662f64\u4f4d\u6d6e\u70b9\u6570<\/pre>\n<p>\n\t\u4e0a\u9762\u4ee3\u7801\u4e2d\uff0c\u53d8\u91cfx\u58f0\u660e\u4e3a\u6574\u6570\uff0cy\u58f0\u660e\u4e3a\u6d6e\u70b9\u6570\u3002\u652f\u6301 asm.js \u7684\u5f15\u64ce\u4e00\u770b\u5230x = a | 0\uff0c\u5c31\u77e5\u9053x\u662f\u6574\u6570\uff0c\u7136\u540e\u91c7\u7528 asm.js \u7684\u673a\u5236\u5904\u7406\u3002\u5982\u679c\u5f15\u64ce\u4e0d\u652f\u6301 asm.js \u4e5f\u6ca1\u5173\u7cfb\uff0c\u8fd9\u6bb5\u4ee3\u7801\u7167\u6837\u53ef\u4ee5\u8fd0\u884c\uff0c\u6700\u540e\u5f97\u5230\u7684\u8fd8\u662f\u540c\u6837\u7684\u7ed3\u679c\u3002<br \/>\n\t\u518d\u770b\u4e0b\u9762\u7684\u4f8b\u5b50\u3002\n<\/p>\n<pre class=\"brush:jscript;\">\r\n\/\/ \u5199\u6cd5\u4e00\r\nvar first = 5;\r\nvar second = first;\r\n\/\/ \u5199\u6cd5\u4e8c\r\nvar first = 5;\r\nvar second = first | 0;<\/pre>\n<p>\n\t\u4e0a\u9762\u4ee3\u7801\u4e2d\uff0c\u5199\u6cd5\u4e00\u662f\u666e\u901a\u7684 JavaScript\uff0c\u53d8\u91cfsecond\u53ea\u6709\u5728\u8fd0\u884c\u65f6\u624d\u80fd\u77e5\u9053\u7c7b\u578b\uff0c\u8fd9\u6837\u5c31\u5f88\u6162\u4e86\uff0c\u5199\u6cd5\u4e8c\u662f asm.js\uff0csecond\u5728\u58f0\u660e\u65f6\u5c31\u77e5\u9053\u662f\u6574\u6570\uff0c\u901f\u5ea6\u5c31\u63d0\u9ad8\u4e86\u3002<br \/>\n\t\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\uff0c\u90fd\u8981\u7528\u8fd9\u79cd\u65b9\u5f0f\u6307\u5b9a\u7c7b\u578b\u3002\n<\/p>\n<pre class=\"brush:jscript;\">\r\nfunction add(x, y) {\r\n  x = x | 0;\r\n  y = y | 0;\r\n  return (x + y) | 0;\r\n}<\/pre>\n<p>\n\t\u4e0a\u9762\u4ee3\u7801\u4e2d\uff0c\u9664\u4e86\u53c2\u6570x\u548cy\u9700\u8981\u58f0\u660e\u7c7b\u578b\uff0c\u51fd\u6570\u7684\u8fd4\u56de\u503c\u4e5f\u9700\u8981\u58f0\u660e\u7c7b\u578b\u3002\n<\/p>\n<h2>\n\t\u5783\u573e\u56de\u6536\u673a\u5236<br \/>\n<\/h2>\n<p>\n\tasm.js \u6ca1\u6709\u5783\u573e\u56de\u6536\u673a\u5236\uff0c\u6240\u6709\u5185\u5b58\u64cd\u4f5c\u90fd\u7531\u7a0b\u5e8f\u5458\u81ea\u5df1\u63a7\u5236\u3002asm.js \u901a\u8fc7 TypedArray \u76f4\u63a5\u8bfb\u5199\u5185\u5b58\u3002<br \/>\n\t\u4e0b\u9762\u5c31\u662f\u76f4\u63a5\u8bfb\u5199\u5185\u5b58\u7684\u4f8b\u5b50\u3002\n<\/p>\n<pre class=\"brush:jscript;\">\r\nvar buffer = new ArrayBuffer(32768);\r\nvar HEAP8 = new Int8Array(buffer);\r\nfunction compiledCode(ptr) {\r\n  HEAP[ptr] = 12;\r\n  return HEAP[ptr + 4];\r\n}<\/pre>\n<p>\n\t\u5982\u679c\u6d89\u53ca\u5230\u6307\u9488\uff0c\u4e5f\u662f\u4e00\u6837\u5904\u7406\u3002\n<\/p>\n<pre class=\"brush:jscript;\">\r\nsize_t strlen(char *ptr) {\r\n  char *curr = ptr;\r\n  while (*curr != 0) {\r\n    curr++;\r\n  }\r\n  return (curr - ptr);\r\n}<\/pre>\n<p>\n\t\u4e0a\u9762\u7684\u4ee3\u7801\u7f16\u8bd1\u6210 asm.js\uff0c\u5c31\u662f\u4e0b\u9762\u8fd9\u6837\u3002\n<\/p>\n<pre class=\"brush:jscript;\">\r\nfunction strlen(ptr) {\r\n  ptr = ptr|0;\r\n  var curr = 0;\r\n  curr = ptr;\r\n  while (MEM8[curr]|0 != 0) {\r\n    curr = (curr + 1)|0;\r\n  }\r\n  return (curr - ptr)|0;\r\n}<\/pre>\n<h2>\n\tasm.js \u4e0e WebAssembly \u7684\u5f02\u540c<br \/>\n<\/h2>\n<p>\n\t\u5982\u679c\u4f60\u5bf9 JS \u6bd4\u8f83\u4e86\u89e3\uff0c\u53ef\u80fd\u77e5\u9053\u8fd8\u6709\u4e00\u79cd\u53eb\u505a WebAssembly \u7684\u6280\u672f\uff0c\u4e5f\u80fd\u5c06 C \/ C++ \u8f6c\u6210 JS \u5f15\u64ce\u53ef\u4ee5\u8fd0\u884c\u7684\u4ee3\u7801\u3002\u90a3\u4e48\u5b83\u4e0e asm.js \u6709\u4f55\u533a\u522b\u5462\uff1f\n<\/p>\n<p>\n\t\u56de\u7b54\u662f\uff0c\u4e24\u8005\u7684\u529f\u80fd\u57fa\u672c\u4e00\u81f4\uff0c\u5c31\u662f\u8f6c\u51fa\u6765\u7684\u4ee3\u7801\u4e0d\u4e00\u6837\uff1aasm.js \u662f\u6587\u672c\uff0cWebAssembly \u662f\u4e8c\u8fdb\u5236\u5b57\u8282\u7801\uff0c\u56e0\u6b64\u8fd0\u884c\u901f\u5ea6\u66f4\u5feb\u3001\u4f53\u79ef\u66f4\u5c0f\u3002\u4ece\u957f\u8fdc\u6765\u770b\uff0cWebAssembly \u7684\u524d\u666f\u66f4\u5149\u660e\u3002\n<\/p>\n<p>\n\t\u4f46\u662f\uff0c\u8fd9\u5e76\u4e0d\u610f\u5473\u7740 asm.js \u80af\u5b9a\u4f1a\u88ab\u6dd8\u6c70\uff0c\u56e0\u4e3a\u5b83\u6709\u4e24\u4e2a\u4f18\u70b9\uff1a\u9996\u5148\uff0c\u5b83\u662f\u6587\u672c\uff0c\u4eba\u7c7b\u53ef\u8bfb\uff0c\u6bd4\u8f83\u76f4\u89c2\uff1b\u5176\u6b21\uff0c\u6240\u6709\u6d4f\u89c8\u5668\u90fd\u652f\u6301 asm.js\uff0c\u4e0d\u4f1a\u6709\u517c\u5bb9\u6027\u95ee\u9898\u3002\n<\/p>\n<h2>\n\tasm.js \u7684\u7528\u9014<br \/>\n<\/h2>\n<p>\n\tasm.js \u4e0d\u4ec5\u80fd\u8ba9\u6d4f\u89c8\u5668\u8fd0\u884c&nbsp;<a href=\"http:\/\/kripken.github.io\/boon\/boon.html\" target=\"_blank\">3D \u6e38\u620f<\/a>\uff0c\u8fd8\u53ef\u4ee5\u8fd0\u884c\u5404\u79cd<a href=\"https:\/\/github.com\/dherman\/asm.js\/wiki\/Projects-using-asm.js\" target=\"_blank\">\u670d\u52a1\u5668\u8f6f\u4ef6<\/a>\uff0c\u6bd4\u5982&nbsp;<a href=\"https:\/\/github.com\/kripken\/lua.vm.js\" target=\"_blank\">Lua<\/a>\u3001<a href=\"https:\/\/github.com\/xxuejie\/webruby\" target=\"_blank\">Ruby<\/a>&nbsp;\u548c&nbsp;<a href=\"https:\/\/github.com\/kripken\/sql.js\" target=\"_blank\">SQLite<\/a>\u3002 \u8fd9\u610f\u5473\u7740\u5f88\u591a\u5de5\u5177\u548c\u7b97\u6cd5\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528\u73b0\u6210\u7684\u4ee3\u7801\uff0c\u4e0d\u7528\u91cd\u65b0\u5199\u4e00\u904d\u3002\n<\/p>\n<p>\n\t\u53e6\u5916\uff0c\u7531\u4e8e asm.js \u7684\u8fd0\u884c\u901f\u5ea6\u8f83\u5feb\uff0c\u6240\u4ee5\u4e00\u4e9b\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684\u64cd\u4f5c\uff08\u6bd4\u5982\u8ba1\u7b97 Hash\uff09\u53ef\u4ee5\u4f7f\u7528 C \/ C++ \u5b9e\u73b0\uff0c\u518d\u5728 JS \u4e2d\u8c03\u7528\u5b83\u4eec\u3002\n<\/p>\n<p>\n\t\u771f\u5b9e\u7684\u8f6c\u7801\u5b9e\u4f8b\u53ef\u4ee5\u770b\u4e00\u4e0b&nbsp;<a href=\"https:\/\/github.com\/kripken\/zee.js\" target=\"_blank\">gzlib<\/a>&nbsp;\u7684\u7f16\u8bd1\uff0c\u53c2\u8003\u5b83\u7684&nbsp;<a href=\"https:\/\/github.com\/kripken\/zee.js\/blob\/master\/Makefile\" target=\"_blank\">Makefile<\/a>&nbsp;\u600e\u4e48\u5199\u3002\n<\/p>\n<h2>\n\t\u53c2\u8003\u8d44\u6599<br \/>\n<\/h2>\n<ul>\n<li>\n\t\t<a href=\"https:\/\/en.wikipedia.org\/wiki\/Asm.js\" target=\"_blank\">asm.js<\/a>, by Wikipedia\n\t<\/li>\n<li>\n\t\t<a href=\"https:\/\/kripken.github.io\/mloc_emscripten_talk\/cppcon.html#\/\" target=\"_blank\">Emscripten &amp; asm.js: C++&#039;s role in the modern web<\/a>, by Alon Zakai\n\t<\/li>\n<li>\n\t\t<a href=\"https:\/\/johnresig.com\/blog\/asmjs-javascript-compile-target\/\" target=\"_blank\">Asm.js: The JavaScript Compile Target<\/a>, by John Resig\n\t<\/li>\n<li>\n\t\t<a href=\"https:\/\/pspdfkit.com\/blog\/2017\/webassembly-a-new-hope\/\" target=\"_blank\">WebAssembly: A New Hope<\/a>, by Philipp Spiess and James Swift\n\t<\/li>\n<li>\n\t\t<a href=\"https:\/\/www.sitepoint.com\/understanding-asm-js\/\" target=\"_blank\">Understanding asm.js<\/a>, by Afshin Mehrabani\n\t<\/li>\n<\/ul>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=1950\">asm.js \u5165\u95e8\u6559\u7a0b<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u6b63\u5982\u8bb8\u591a\u5f00\u53d1\u8005\u4e00\u6837\uff0c\u6211\u4e5f\u4e3aAsm.js\u7684\u524d\u666f\u800c\u611f\u5230\u5174\u594b\u4e0d\u5df2\u3002 \u83b7\u5f97\u4e00\u4e2aC++\u6e38\u620f\u5f15\u64ce\u8fd0\u884cJavascript\uff0c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[1489,1488,1285,1293],"class_list":["post-1950","post","type-post","status-publish","format-standard","hentry","category-html5","tag-3d-","tag-asm-js","tag-js","tag-1293"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1950"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1950\/revisions"}],"predecessor-version":[{"id":1951,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1950\/revisions\/1951"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}