{"id":1373,"date":"2024-06-02T22:27:36","date_gmt":"2024-06-02T22:27:36","guid":{"rendered":""},"modified":"2024-06-05T03:09:46","modified_gmt":"2024-06-04T19:09:46","slug":"javascript%e4%b8%93%e9%a2%98%e4%b9%8bjquery%e9%80%9a%e7%94%a8%e9%81%8d%e5%8e%86%e6%96%b9%e6%b3%95each%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.lccc.top\/?p=1373","title":{"rendered":"JavaScript\u4e13\u9898\u4e4bjQuery\u901a\u7528\u904d\u5386\u65b9\u6cd5each\u7684\u5b9e\u73b0"},"content":{"rendered":"\n

each\u4ecb\u7ecd<\/h2>\n

jQuery \u7684 each \u65b9\u6cd5\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u901a\u7528\u904d\u5386\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u904d\u5386\u5bf9\u8c61\u548c\u6570\u7ec4\u3002<\/p>\n

\u8bed\u6cd5\u4e3a\uff1a<\/p>\n

\n
jQuery<\/span>.<\/span>each<\/span>(<\/span>object<\/span>,<\/span> [<\/span>callback<\/span>]<\/span>)<\/span><\/pre>\n<\/div>\n
\u56de\u8c03\u51fd\u6570\u62e5\u6709\u4e24\u4e2a\u53c2\u6570\uff1a\u7b2c\u4e00\u4e2a\u4e3a\u5bf9\u8c61\u7684\u6210\u5458\u6216\u6570\u7ec4\u7684\u7d22\u5f15\uff0c\u7b2c\u4e8c\u4e2a\u4e3a\u5bf9\u5e94\u53d8\u91cf\u6216\u5185\u5bb9\u3002<\/p>\n
<\/p>\n
\/\/ \u904d\u5386\u6570\u7ec4<\/span>\n$<\/span>.<\/span>each<\/span>(<\/span> [<\/span>0<\/span>,<\/span>1<\/span>,<\/span>2<\/span>]<\/span>,<\/span> function<\/span>(<\/span>i<\/span>,<\/span> n<\/span>)<\/span>{<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span> \"Item #\"<\/span> +<\/span> i<\/span> +<\/span> \": \"<\/span> +<\/span> n<\/span> )<\/span>;<\/span>\n}<\/span>)<\/span>;<\/span>\n\n\/\/ Item #0: 0<\/span>\n\/\/ Item #1: 1<\/span>\n\/\/ Item #2: 2<\/span><\/pre>\n<\/div>\n
<\/p>\n
\/\/ \u904d\u5386\u5bf9\u8c61<\/span>\n$<\/span>.<\/span>each<\/span>(<\/span>{<\/span> name<\/span>: \"John\"<\/span>,<\/span> lang<\/span>: \"JS\"<\/span> }<\/span>,<\/span> function<\/span>(<\/span>i<\/span>,<\/span> n<\/span>)<\/span> {<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span>\"Name: \"<\/span> +<\/span> i<\/span> +<\/span> \", Value: \"<\/span> +<\/span> n<\/span>)<\/span>;<\/span>\n}<\/span>)<\/span>;<\/span>\n\/\/ Name: name, Value: John<\/span>\n\/\/ Name: lang, Value: JS<\/span><\/pre>\n<\/div>\n
\u9000\u51fa\u5faa\u73af<\/h2>\n
\u5c3d\u7ba1 ES5 \u63d0\u4f9b\u4e86 forEach \u65b9\u6cd5\uff0c\u4f46\u662f forEach \u6ca1\u6709\u529e\u6cd5\u4e2d\u6b62\u6216\u8005\u8df3\u51fa forEach \u5faa\u73af\uff0c\u9664\u4e86\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\u3002\u4f46\u662f\u5bf9\u4e8e jQuery \u7684 each \u51fd\u6570\uff0c\u5982\u679c\u9700\u8981\u9000\u51fa each \u5faa\u73af\u53ef\u4f7f\u56de\u8c03\u51fd\u6570\u8fd4\u56de false\uff0c\u5176\u5b83\u8fd4\u56de\u503c\u5c06\u88ab\u5ffd\u7565\u3002<\/p>\n
<\/p>\n
$<\/span>.<\/span>each<\/span>(<\/span> [<\/span>0<\/span>,<\/span> 1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>]<\/span>,<\/span> function<\/span>(<\/span>i<\/span>,<\/span> n<\/span>)<\/span>{<\/span>\n    if<\/span> (<\/span>i<\/span> ><\/span> 2<\/span>)<\/span> return<\/span> false<\/span>;<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span> \"Item #\"<\/span> +<\/span> i<\/span> +<\/span> \": \"<\/span> +<\/span> n<\/span> )<\/span>;<\/span>\n}<\/span>)<\/span>;<\/span>\n\n\/\/ Item #0: 0<\/span>\n\/\/ Item #1: 1<\/span>\n\/\/ Item #2: 2<\/span><\/pre>\n<\/div>\n
\u7b2c\u4e00\u7248<\/h2>\n
\u90a3\u4e48\u6211\u4eec\u8be5\u600e\u4e48\u5b9e\u73b0\u8fd9\u6837\u4e00\u4e2a each \u65b9\u6cd5\u5462\uff1f<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u80af\u5b9a\u8981\u6839\u636e\u53c2\u6570\u7684\u7c7b\u578b\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u662f\u6570\u7ec4\uff0c\u5c31\u8c03\u7528 for \u5faa\u73af\uff0c\u5982\u679c\u662f\u5bf9\u8c61\uff0c\u5c31\u4f7f\u7528 for in \u5faa\u73af\uff0c\u6709\u4e00\u4e2a\u4f8b\u5916\u662f\u7c7b\u6570\u7ec4\u5bf9\u8c61\uff0c\u5bf9\u4e8e\u7c7b\u6570\u7ec4\u5bf9\u8c61\uff0c\u6211\u4eec\u4f9d\u7136\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u3002<\/p>\n
\u66f4\u591a\u5173\u4e8e\u7c7b\u6570\u7ec4\u5bf9\u8c61\u7684\u77e5\u8bc6\uff0c\u6211\u4eec\u53ef\u4ee5\u67e5\u770b\u300aJavaScript\u4e13\u9898\u4e4b\u7c7b\u6570\u7ec4\u5bf9\u8c61\u4e0earguments\u300b<\/a><\/p>\n
\u90a3\u4e48\u53c8\u8be5\u5982\u4f55\u5224\u65ad\u7c7b\u6570\u7ec4\u5bf9\u8c61\u548c\u6570\u7ec4\u5462\uff1f\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u5728\u300aJavaScript\u4e13\u9898\u4e4b\u7c7b\u578b\u5224\u65ad(\u4e0b)\u300b<\/a>\u5c31\u8bb2\u8fc7jQuery \u6570\u7ec4\u548c\u7c7b\u6570\u7ec4\u5bf9\u8c61\u5224\u65ad\u51fd\u6570 isArrayLike \u7684\u5b9e\u73b0\u3002<\/p>\n
\u6240\u4ee5\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5199\u51fa\u7b2c\u4e00\u7248\uff1a<\/p>\n
<\/p>\n
\/\/ \u7b2c\u4e00\u7248<\/span>\nfunction<\/span> each<\/span>(<\/span>obj<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\n    var<\/span> length<\/span>,<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\n\n    if<\/span> (<\/span> isArrayLike<\/span>(<\/span>obj<\/span>)<\/span> )<\/span> {<\/span>\n        length<\/span> =<\/span> obj<\/span>.<\/span>length<\/span>;<\/span>\n        for<\/span> (<\/span> ;<\/span> i<\/span> <<\/span> length<\/span>;<\/span> i<\/span>++<\/span> )<\/span> {<\/span>\n            callback<\/span>(<\/span>i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span>\n        }<\/span>\n    }<\/span> else<\/span> {<\/span>\n        for<\/span> (<\/span> i<\/span> in<\/span> obj<\/span> )<\/span> {<\/span>\n            callback<\/span>(<\/span>i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span>\n        }<\/span>\n    }<\/span>\n\n    return<\/span> obj<\/span>;<\/span>\n}<\/span><\/pre>\n<\/div>\n
\u4e2d\u6b62\u5faa\u73af<\/h2>\n
\u73b0\u5728\u5df2\u7ecf\u53ef\u4ee5\u904d\u5386\u5bf9\u8c61\u548c\u6570\u7ec4\u4e86\uff0c\u4f46\u662f\u4f9d\u7136\u6709\u4e00\u4e2a\u6548\u679c\u6ca1\u6709\u5b9e\u73b0\uff0c\u5c31\u662f\u4e2d\u6b62\u5faa\u73af\uff0c\u6309\u7167 jQuery each \u7684\u5b9e\u73b0\uff0c\u5f53\u56de\u8c03\u51fd\u6570\u8fd4\u56de false \u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u4e2d\u6b62\u5faa\u73af\u3002\u8fd9\u4e2a\u5b9e\u73b0\u8d77\u6765\u4e5f\u5f88\u7b80\u5355\uff1a<\/p>\n
\u6211\u4eec\u53ea\u7528\u628a\uff1a<\/p>\n
\n
callback<\/span>(<\/span>i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span><\/pre>\n<\/div>\n
\u66ff\u6362\u6210\uff1a<\/p>\n
<\/p>\n
if<\/span> (<\/span>callback<\/span>(<\/span>i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span> ===<\/span> false<\/span>)<\/span> {<\/span>\n    break<\/span>;<\/span>\n}<\/span><\/pre>\n<\/div>\n
\u8f7b\u677e\u5b9e\u73b0\u4e2d\u6b62\u5faa\u73af\u7684\u529f\u80fd\u3002<\/p>\n
this<\/h2>\n
\u6211\u4eec\u5728\u5b9e\u9645\u7684\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u6709\u65f6\u4f1a\u5728 callback \u51fd\u6570\u4e2d\u7528\u5230 this\uff0c\u5148\u4e3e\u4e2a\u4e0d\u600e\u4e48\u6070\u5f53\u7684\u4f8b\u5b50\uff1a<\/p>\n
<\/p>\n
\/\/ \u6211\u4eec\u7ed9\u6bcf\u4e2a\u4eba\u6dfb\u52a0\u4e00\u4e2a age \u5c5e\u6027\uff0cage \u7684\u503c\u4e3a 18 + index<\/span>\nvar<\/span> person<\/span> =<\/span> [<\/span>\n    {<\/span>name<\/span>: 'kevin'<\/span>}<\/span>,<\/span>\n    {<\/span>name<\/span>: 'daisy'<\/span>}<\/span>\n]<\/span>\n$<\/span>.<\/span>each<\/span>(<\/span>person<\/span>,<\/span> function<\/span>(<\/span>index<\/span>,<\/span> item<\/span>)<\/span>{<\/span>\n    this<\/span>.<\/span>age<\/span> =<\/span> 18<\/span> +<\/span> index<\/span>;<\/span>\n}<\/span>)<\/span>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>person<\/span>)<\/span><\/pre>\n<\/div>\n
\u8fd9\u4e2a\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u5e0c\u671b this \u80fd\u6307\u5411\u5f53\u524d\u904d\u5386\u7684\u5143\u7d20\uff0c\u7136\u540e\u7ed9\u6bcf\u4e2a\u5143\u7d20\u6dfb\u52a0 age \u5c5e\u6027\u3002<\/p>\n
\u6307\u5b9a this\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 call \u6216\u8005 apply\uff0c\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff1a<\/p>\n
\u6211\u4eec\u628a\uff1a<\/p>\n
<\/p>\n
if<\/span> (<\/span>callback<\/span>(<\/span>i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span> ===<\/span> false<\/span>)<\/span> {<\/span>\n    break<\/span>;<\/span>\n}<\/span><\/pre>\n<\/div>\n
\u66ff\u6362\u6210\uff1a<\/p>\n
<\/p>\n
if<\/span> (<\/span>callback<\/span>.<\/span>call<\/span>(<\/span>obj<\/span>[<\/span>i<\/span>]<\/span>,<\/span> i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span> ===<\/span> false<\/span>)<\/span> {<\/span>\n    break<\/span>;<\/span>\n}<\/span><\/pre>\n<\/div>\n
\u5173\u4e8e this\uff0c\u6211\u4eec\u518d\u4e3e\u4e2a\u5e38\u7528\u7684\u4f8b\u5b50\uff1a<\/p>\n
<\/p>\n
$<\/span>.<\/span>each<\/span>(<\/span>$<\/span>(<\/span>\"p\"<\/span>)<\/span>,<\/span> function<\/span>(<\/span>)<\/span>{<\/span>\n   $<\/span>(<\/span>this<\/span>)<\/span>.<\/span>hover<\/span>(<\/span>function<\/span>(<\/span>)<\/span>{<\/span> ... }<\/span>)<\/span>;<\/span>\n}<\/span>)<\/span><\/pre>\n<\/div>\n
\u867d\u7136\u6211\u4eec\u7ecf\u5e38\u4f1a\u8fd9\u6837\u5199\uff1a<\/p>\n
<\/p>\n
$<\/span>(<\/span>\"p\"<\/span>)<\/span>.<\/span>each<\/span>(<\/span>function<\/span>(<\/span>)<\/span>{<\/span>\n    $<\/span>(<\/span>this<\/span>)<\/span>.<\/span>hover<\/span>(<\/span>function<\/span>(<\/span>)<\/span>{<\/span> ... }<\/span>)<\/span>;<\/span>\n}<\/span>)<\/span><\/pre>\n<\/div>\n
\u4f46\u662f\u56e0\u4e3a $(“p”).each() \u65b9\u6cd5\u662f\u5b9a\u4e49\u5728 jQuery \u51fd\u6570\u7684 prototype \u5bf9\u8c61\u4e0a\u9762\u7684\uff0c\u800c $<\/math-renderer>.each()\u65b9\u6cd5\u662f\u5b9a\u4e49 jQuery \u51fd\u6570\u4e0a\u9762\u7684\uff0c\u8c03\u7528\u7684\u65f6\u5019\u4e0d\u4ece\u590d\u6742\u7684 jQuery \u5bf9\u8c61\u4e0a\u8c03\u7528\uff0c\u901f\u5ea6\u5feb\u5f97\u591a\u3002\u6240\u4ee5\u6211\u4eec\u63a8\u8350\u4f7f\u7528\u7b2c\u4e00\u79cd\u5199\u6cd5\u3002<\/p>\n
\u56de\u5230\u7b2c\u4e00\u79cd\u5199\u6cd5\u4e0a\uff0c\u5c31\u662f\u56e0\u4e3a\u5c06 this \u6307\u5411\u4e86\u5f53\u524d DOM \u5143\u7d20\uff0c\u6211\u4eec\u624d\u80fd\u4f7f\u7528 $(this)\u5c06\u5f53\u524d DOM \u5143\u7d20\u5305\u88c5\u6210 jQuery \u5bf9\u8c61\uff0c\u4f18\u96c5\u7684\u4f7f\u7528 hover \u65b9\u6cd5\u3002<\/p>\n
\u6240\u4ee5\u6700\u7ec8\u7684 each \u6e90\u7801\u4e3a\uff1a<\/p>\n
<\/p>\n
function<\/span> each<\/span>(<\/span>obj<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\n    var<\/span> length<\/span>,<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\n\n    if<\/span> (<\/span>isArrayLike<\/span>(<\/span>obj<\/span>)<\/span>)<\/span> {<\/span>\n        length<\/span> =<\/span> obj<\/span>.<\/span>length<\/span>;<\/span>\n        for<\/span> (<\/span>;<\/span> i<\/span> <<\/span> length<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\n            if<\/span> (<\/span>callback<\/span>.<\/span>call<\/span>(<\/span>obj<\/span>[<\/span>i<\/span>]<\/span>,<\/span> i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span> ===<\/span> false<\/span>)<\/span> {<\/span>\n                break<\/span>;<\/span>\n            }<\/span>\n        }<\/span>\n    }<\/span> else<\/span> {<\/span>\n        for<\/span> (<\/span>i<\/span> in<\/span> obj<\/span>)<\/span> {<\/span>\n            if<\/span> (<\/span>callback<\/span>.<\/span>call<\/span>(<\/span>obj<\/span>[<\/span>i<\/span>]<\/span>,<\/span> i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span> ===<\/span> false<\/span>)<\/span> {<\/span>\n                break<\/span>;<\/span>\n            }<\/span>\n        }<\/span>\n    }<\/span>\n\n    return<\/span> obj<\/span>;<\/span>\n}<\/span><\/pre>\n<\/div>\n
\u6027\u80fd\u6bd4\u8f83<\/h2>\n
\u6211\u4eec\u5728\u6027\u80fd\u4e0a\u6bd4\u8f83\u4e0b for \u5faa\u73af\u548c each \u51fd\u6570\uff1a<\/p>\n
<\/p>\n
var<\/span> arr<\/span> =<\/span> Array<\/span>.<\/span>from<\/span>(<\/span>{<\/span>length<\/span>: 1000000<\/span>}<\/span>,<\/span> (<\/span>v<\/span>,<\/span> i<\/span>)<\/span> =><\/span> i<\/span>)<\/span>;<\/span>\n\nconsole<\/span>.<\/span>time<\/span>(<\/span>'for'<\/span>)<\/span>\nvar<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\nfor<\/span> (<\/span>;<\/span> i<\/span> <<\/span> arr<\/span>.<\/span>length<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\n    i<\/span> +=<\/span> arr<\/span>[<\/span>i<\/span>]<\/span>;<\/span>\n}<\/span>\nconsole<\/span>.<\/span>timeEnd<\/span>(<\/span>'for'<\/span>)<\/span>\n\n\nconsole<\/span>.<\/span>time<\/span>(<\/span>'each'<\/span>)<\/span>\nvar<\/span> j<\/span> =<\/span> 0<\/span>;<\/span>\n$<\/span>.<\/span>each<\/span>(<\/span>arr<\/span>,<\/span> function<\/span>(<\/span>index<\/span>,<\/span> item<\/span>)<\/span>{<\/span>\n    j<\/span> +=<\/span> item<\/span>;<\/span>\n}<\/span>)<\/span>\nconsole<\/span>.<\/span>timeEnd<\/span>(<\/span>'each'<\/span>)<\/span><\/pre>\n<\/div>\n
\u8fd9\u91cc\u663e\u793a\u4e00\u6b21\u8fd0\u7b97\u7684\u7ed3\u679c\uff1a<\/p>\n
\"\u6027\u80fd\u6bd4\u8f83\"<\/a><\/p>\n
\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0cfor \u5faa\u73af\u7684\u6027\u80fd\u662f\u660e\u663e\u597d\u4e8e each \u51fd\u6570\u7684\uff0ceach \u51fd\u6570\u672c\u8d28\u4e0a\u4e5f\u662f\u7528\u7684 for \u5faa\u73af\uff0c\u5230\u5e95\u662f\u6162\u5728\u4e86\u54ea\u91cc\u5462\uff1f<\/p>\n
\u6211\u4eec\u518d\u770b\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n
<\/p>\n
function<\/span> each<\/span>(<\/span>obj<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\n    var<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\n    var<\/span> length<\/span> =<\/span> obj<\/span>.<\/span>length<\/span>\n    for<\/span> (<\/span>;<\/span> i<\/span> <<\/span> length<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\n        value<\/span> =<\/span> callback<\/span>(<\/span>i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span>;<\/span>\n    }<\/span>\n}<\/span>\n\nfunction<\/span> eachWithCall<\/span>(<\/span>obj<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\n    var<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\n    var<\/span> length<\/span> =<\/span> obj<\/span>.<\/span>length<\/span>\n    for<\/span> (<\/span>;<\/span> i<\/span> <<\/span> length<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\n        value<\/span> =<\/span> callback<\/span>.<\/span>call<\/span>(<\/span>obj<\/span>[<\/span>i<\/span>]<\/span>,<\/span> i<\/span>,<\/span> obj<\/span>[<\/span>i<\/span>]<\/span>)<\/span>;<\/span>\n    }<\/span>\n}<\/span>\n\nvar<\/span> arr<\/span> =<\/span> Array<\/span>.<\/span>from<\/span>(<\/span>{<\/span>length<\/span>: 1000000<\/span>}<\/span>,<\/span> (<\/span>v<\/span>,<\/span> i<\/span>)<\/span> =><\/span> i<\/span>)<\/span>;<\/span>\n\nconsole<\/span>.<\/span>time<\/span>(<\/span>'each'<\/span>)<\/span>\nvar<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\neach<\/span>(<\/span>arr<\/span>,<\/span> function<\/span>(<\/span>index<\/span>,<\/span> item<\/span>)<\/span>{<\/span>\n    i<\/span> +=<\/span> item<\/span>;<\/span>\n}<\/span>)<\/span>\nconsole<\/span>.<\/span>timeEnd<\/span>(<\/span>'each'<\/span>)<\/span>\n\n\nconsole<\/span>.<\/span>time<\/span>(<\/span>'eachWithCall'<\/span>)<\/span>\nvar<\/span> j<\/span> =<\/span> 0<\/span>;<\/span>\neachWithCall<\/span>(<\/span>arr<\/span>,<\/span> function<\/span>(<\/span>index<\/span>,<\/span> item<\/span>)<\/span>{<\/span>\n    j<\/span> +=<\/span> item<\/span>;<\/span>\n}<\/span>)<\/span>\nconsole<\/span>.<\/span>timeEnd<\/span>(<\/span>'eachWithCall'<\/span>)<\/span><\/pre>\n<\/div>\n
\u8fd9\u91cc\u663e\u793a\u4e00\u6b21\u8fd0\u7b97\u7684\u7ed3\u679c\uff1a<\/p>\n
\"\u6027\u80fd\u6bd4\u8f83\"<\/a><\/p>\n
each \u51fd\u6570\u548c eachWithCall \u51fd\u6570\u552f\u4e00\u7684\u533a\u522b\u5c31\u662f eachWithCall \u8c03\u7528\u4e86 call\uff0c\u4ece\u7ed3\u679c\u6211\u4eec\u53ef\u4ee5\u63a8\u6d4b\u51fa\uff0ccall \u4f1a\u5bfc\u81f4\u6027\u80fd\u635f\u5931\uff0c\u4f46\u4e5f\u6b63\u662f call \u7684\u5b58\u5728\uff0c\u6211\u4eec\u624d\u80fd\u5c06 this \u6307\u5411\u5faa\u73af\u4e2d\u5f53\u524d\u7684\u5143\u7d20\u3002<\/p>\n
\u6709\u820d\u6709\u5f97\u5427\u3002<\/p>\n
\u4e13\u9898\u7cfb\u5217<\/h2>\n
JavaScript\u4e13\u9898\u7cfb\u5217\u76ee\u5f55\u5730\u5740\uff1ahttps:\/\/github.com\/mqyqingfeng\/Blog<\/a>\u3002<\/p>\n
JavaScript\u4e13\u9898\u7cfb\u5217\u9884\u8ba1\u5199\u4e8c\u5341\u7bc7\u5de6\u53f3\uff0c\u4e3b\u8981\u7814\u7a76\u65e5\u5e38\u5f00\u53d1\u4e2d\u4e00\u4e9b\u529f\u80fd\u70b9\u7684\u5b9e\u73b0\uff0c\u6bd4\u5982\u9632\u6296\u3001\u8282\u6d41\u3001\u53bb\u91cd\u3001\u7c7b\u578b\u5224\u65ad\u3001\u62f7\u8d1d\u3001\u6700\u503c\u3001\u6241\u5e73\u3001\u67ef\u91cc\u3001\u9012\u5f52\u3001\u4e71\u5e8f\u3001\u6392\u5e8f\u7b49\uff0c\u7279\u70b9\u662f\u7814(chao)\u7a76(xi) underscore \u548c jQuery \u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<\/td>\n
\u6587\u7ae0\u8f6c\u8f7d\u81eahttps:\/\/github.com\/mqyqingfeng\/Blog\/issues\/40<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
each\u4ecb\u7ecd jQuery \u7684 each \u65b9\u6cd5\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u901a\u7528\u904d\u5386\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u904d\u5386\u5bf9\u8c61\u548c\u6570\u7ec4\u3002 \u8bed\u6cd5\u4e3a\uff1a jQuery.each(object, [callbac…<\/p>\n
 Read More  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1373","post","type-post","status-publish","format-standard","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/www.lccc.top\/index.php?rest_route=\/wp\/v2\/posts\/1373"}],"collection":[{"href":"https:\/\/www.lccc.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lccc.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lccc.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lccc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1373"}],"version-history":[{"count":1,"href":"https:\/\/www.lccc.top\/index.php?rest_route=\/wp\/v2\/posts\/1373\/revisions"}],"predecessor-version":[{"id":1468,"href":"https:\/\/www.lccc.top\/index.php?rest_route=\/wp\/v2\/posts\/1373\/revisions\/1468"}],"wp:attachment":[{"href":"https:\/\/www.lccc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lccc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lccc.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}