{"id":474,"date":"2015-02-04T17:15:56","date_gmt":"2015-02-04T09:15:56","guid":{"rendered":"http:\/\/www.daliane.com\/?p=474"},"modified":"2015-02-04T17:15:56","modified_gmt":"2015-02-04T09:15:56","slug":"console_shi_shen_me","status":"publish","type":"post","link":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/console_shi_shen_me\/","title":{"rendered":"Console\u662f\u4ec0\u4e48?"},"content":{"rendered":"
\n

Console\u662f\u4ec0\u4e48?<\/h2>\n

Console\u662f\u4e00\u4e2aJavaScript\u89e3\u91ca\u5668\u7684\u5185\u7f6e\u5bf9\u8c61, \u7528\u4e8e\u8bbf\u95ee\u8c03\u8bd5\u63a7\u5236\u53f0, \u5728\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u91cc\u6548\u679c\u53ef\u80fd\u4e0d\u540c.<\/p>\n

\u6211\u4eec\u6700\u5e38\u7528\u7684console.log\u5c31\u662fConsole\u5bf9\u8c61\u7684\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5, \u5b83\u7684\u4f5c\u7528\u662f\u5c06\u5185\u5bb9\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u4e0a.<\/p>\n

\u73b0\u5728, \u6211\u4eec\u6765\u6df1\u5165\u4e86\u89e3\u4e00\u4e0bConsole\u90fd\u63d0\u4f9b\u4e86\u4ec0\u4e48\u529f\u80fd.<\/p>\n

\"2015-02-04_171525\"<\/a><\/p>\n

console.log(object[, object, \u2026])<\/h3>\n

console.log\u7528\u6765\u5728\u63a7\u5236\u53f0\u4e0a\u8f93\u51fa\u4fe1\u606f, \u6240\u9700\u7684\u53c2\u6570\u662f\u9700\u8981\u8f93\u51fa\u7684\u5bf9\u8c61, \u8f93\u51fa\u7684\u5bf9\u8c61\u4f1a\u4ee5\u7a7a\u683c\u5206\u9694\u5f00.<\/p>\n

\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f7f\u7528\u4e86\u5b57\u7b26\u4e32\u66ff\u6362\u6a21\u5f0f, \u5219\u4e4b\u540e\u7684\u53c2\u6570\u5c06\u4f5c\u4e3a\u66ff\u6362\u5b57\u7b26\u4e32, \u8fd9\u7c7b\u4f3c\u4e8eprintf\u5360\u4f4d\u7b26\u683c\u5f0f\u5316\u8f93\u51fa. console\u53ef\u7528\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\u8bf7\u53c2\u7167\u4e0b\u8868.<\/p>\n\n\n\n\n\n\n\n\n
\u6a21\u5f0f<\/strong><\/td>\n\u7c7b\u578b<\/strong><\/td>\n<\/tr>\n
%s<\/td>\n\u5b57\u7b26\u4e32<\/td>\n<\/tr>\n
%d, %i<\/td>\n\u6574\u578b\u6570\u503c<\/td>\n<\/tr>\n
%f<\/td>\n\u6d6e\u70b9\u6570\u503c<\/td>\n<\/tr>\n
%o<\/td>\n\u5bf9\u8c61\u8d85\u94fe\u63a5<\/td>\n<\/tr>\n
%c<\/td>\n\u683c\u5f0f\u5316\u6837\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

console.debug(object[, object, \u2026])<\/h3>\n

\u529f\u80fd\u4e0econsole.log\u7c7b\u4f3c, \u8f93\u51fa\u5c06\u4f1a\u5305\u542b\u5bf9\u8c61\u8d85\u94fe\u63a5, \u591a\u6570\u60c5\u51b5\u4e0b\u4e0econsole.log\u8f93\u51fa\u7684\u6548\u679c\u4e00\u81f4.<\/p>\n

console.info(object[, object, \u2026])<\/h3>\n

\u529f\u80fd\u4e0econsole.debug\u7c7b\u4f3c, \u8f93\u51fa\u4f1a\u4f34\u968f\u4e00\u4e2a\u201d\u4fe1\u606f\u201d\u56fe\u6807, \u5728Firefox\u4e2d\u6709\u6548\u679c.<\/p>\n

console.warn(object[, object, \u2026])<\/h3>\n

\u529f\u80fd\u4e0econsole.debug\u7c7b\u4f3c, \u8f93\u51fa\u4f1a\u4f34\u968f\u4e00\u4e2a\u201d\u8b66\u544a\u201d\u56fe\u6807.<\/p>\n

console.error(object[, object, \u2026])<\/h3>\n

\u529f\u80fd\u4e0econsole.debug\u7c7b\u4f3c, \u8f93\u51fa\u4f1a\u4f34\u968f\u4e00\u4e2a\u201d\u9519\u8bef\u201d\u56fe\u6807, \u5728Webkit\u4e0b\u7684\u6548\u679c\u4e0e\u672a\u6355\u6349\u5230\u5f02\u5e38\u7c7b\u4f3c.<\/p>\n

console.assert(expression[, object, \u2026])<\/h3>\n

\u65ad\u8a00\u51fd\u6570, \u5982\u679cexpression\u7684\u7ed3\u679c\u4e3a\u5047, \u5c06\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\u5e76\u5c06\u5176\u4f59\u53c2\u6570\u4f5c\u4e3a\u5f02\u5e38\u63cf\u8ff0\u8f93\u51fa.<\/p>\n

console.clear()<\/h3>\n

\u6e05\u7a7a\u63a7\u5236\u53f0\u5185\u5bb9.<\/p>\n

console.dir(object)<\/h3>\n

\u4ee5\u5217\u8868\u5f62\u5f0f\u8f93\u51fa\u5bf9\u8c61, \u6548\u679c\u7c7b\u4f3c\u4e8e\u67e5\u770bDOM.<\/p>\n

console.dirxml(node)<\/h3>\n

\u4ee5\u5ba1\u67e5\u5143\u7d20\u7684\u5f62\u5f0f\u8f93\u51faHTML\/XML\u5143\u7d20.<\/p>\n

console.trace()<\/h3>\n

\u8ffd\u8e2a\u5f53\u524d\u51fd\u6570, \u8f93\u51fa\u51fd\u6570\u7684\u8c03\u7528\u75d5\u8ff9.<\/p>\n

console.group(object[, object, \u2026])<\/h3>\n

\u5bf9\u63a7\u5236\u53f0\u8f93\u51fa\u5206\u7ec4, \u8c03\u7528\u8be5\u65b9\u6cd5\u540e\u63a5\u4e0b\u6765\u7684\u8f93\u51fa\u5c06\u4f1a\u4ea7\u751f\u4e00\u4e2a\u53ef\u6298\u53e0\u7f29\u8fdb\u5757.<\/p>\n

console.groupCollapsed(object[, object, \u2026])<\/h3>\n

\u529f\u80fd\u4e0econsole.group\u7c7b\u4f3c, \u533a\u522b\u5728\u4e8e\u7f29\u8fdb\u5757\u9ed8\u8ba4\u662f\u6298\u53e0\u7684, \u8fd9\u4f1a\u5bfc\u81f4\u63a5\u4e0b\u6765\u7684\u8f93\u51fa\u4e0d\u53ef\u89c1, \u9700\u8981\u624b\u52a8\u6253\u5f00\u6298\u53e0\u5757.<\/p>\n

console.groupEnd()<\/h3>\n

\u5173\u95edconsole.group\u6216console.groupCollapsed\u6253\u5f00\u7684\u7f29\u8fdb\u5757.<\/p>\n

console.time(name)<\/h3>\n

\u4ee5\u53c2\u6570name\u4f5c\u4e3a\u8ba1\u65f6\u5668\u7684\u540d\u79f0, \u65b0\u5efa\u4e00\u4e2a\u8ba1\u65f6\u5668.<\/p>\n

console.timeEnd(name)<\/h3>\n

\u7ed3\u675f\u4ee5\u53c2\u6570name\u547d\u540d\u7684\u8ba1\u65f6\u5668, \u8f93\u51faconsole.time\u8c03\u7528\u540e\u7ecf\u8fc7\u7684\u65f6\u95f4.<\/p>\n

console.timeStamp(name)<\/h3>\n

\u5728HTTP\u6d41\u91cf\u9762\u677f\u4e0a\u589e\u52a0\u4e00\u4e2a\u65f6\u95f4\u6233.<\/p>\n

console.profile([title])<\/h3>\n

\u5f00\u542f\u4e00\u4e2aJavaScript\u6027\u80fd\u5206\u6790\u5668, \u53ef\u9009\u53c2\u6570\u662f\u5206\u6790\u5668\u62a5\u544a\u7684\u6807\u5934.<\/p>\n

console.profileEnd()<\/h3>\n

\u5173\u95edJavaScript\u6027\u80fd\u5206\u6790\u5668, \u8f93\u51fa\u62a5\u544a.<\/p>\n

console.count([title])<\/h3>\n

\u4ece1\u5f00\u59cb\u8f93\u51fa\u8ba1\u6570, \u53c2\u6570title\u7528\u4e8e\u533a\u522b\u4e0d\u540c\u7684\u8ba1\u6570\u5668.<\/p>\n

console.table(data[, columns])<\/h3>\n

\u4ee5\u8868\u683c\u5f62\u5f0f\u8f93\u51fa\u6570\u636e.<\/p>\n

\u6bd4\u5982:<\/p>\n

\n
<\/div>\n
\n\n\n\n
\n
\n
1<\/div>\n<\/div>\n<\/td>\n
\n
\n
console<\/span>.<\/span>table<\/span>(<\/span>[<\/span>{<\/span>‘name’<\/span>:<\/span>‘xuanfengge’<\/span>,<\/span>‘site’<\/span>:<\/span>‘www.xuanfengge.com’<\/span>}<\/span>,<\/span>{<\/span>‘name’<\/span>:<\/span>‘Google’<\/span>,<\/span>‘site’<\/span>:<\/span>‘www.google.com’<\/span>}<\/span>]<\/span>,<\/span>[<\/span>‘name’<\/span>]<\/span>)<\/span>;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n
<\/div>\n<\/div>\n<\/section>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

Console\u662f\u4ec0\u4e48? Console\u662f\u4e00\u4e2aJavaScript\u89e3\u91ca\u5668\u7684\u5185\u7f6e\u5bf9\u8c61, \u7528\u4e8e\u8bbf\u95ee\u8c03\u8bd5\u63a7\u5236\u53f0, \u5728\u4e0d…<\/p>\n","protected":false},"author":2,"featured_media":475,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[8],"tags":[52],"_links":{"self":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/474"}],"collection":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/comments?post=474"}],"version-history":[{"count":1,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/474\/revisions"}],"predecessor-version":[{"id":476,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/474\/revisions\/476"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/media\/475"}],"wp:attachment":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/media?parent=474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/categories?post=474"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/tags?post=474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}