{"id":413,"date":"2022-08-31T14:34:26","date_gmt":"2022-08-31T06:34:26","guid":{"rendered":"https:\/\/blog.osvlabs.com\/?p=413"},"modified":"2022-08-31T14:37:19","modified_gmt":"2022-08-31T06:37:19","slug":"%e6%97%a5%e5%b8%b8%e8%b0%83%e8%af%95%e4%bd%bf%e7%94%a8chrome-devtools-%e7%9a%84%e4%b8%80%e4%ba%9b%e5%b0%8f%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/blog.osvlabs.com\/?p=413","title":{"rendered":"\u65e5\u5e38\u8c03\u8bd5\u4f7f\u7528Chrome DevTools \u7684\u4e00\u4e9b\u5c0f\u6280\u5de7"},"content":{"rendered":"<h1>\u524d\u8a00<\/h1>\n<p>Chrome devtools \u51e0\u4e4e\u662f\u6240\u6709web \u5f00\u53d1\u8005\u5fc5\u7528\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u7b14\u8005\u603b\u7ed3\u4e86\u4e00\u4e9b\u65e5\u5e38\u5f00\u53d1\u8c03\u8bd5\u7528\u7684\u5c0f\u6280\u5de7\uff0c\u5e0c\u671b\u5927\u5bb6\u65e5\u5e38\u4f7f\u7528\u4e2d\u53ef\u4ee5\u65b9\u4fbf\u4e00\u4e9b\u3002<\/p>\n<h1>\u5c0f\u6280\u5de7<\/h1>\n<h2>\u622a\u56fe<\/h2>\n<p>\u8fd8\u5728\u627e\u7528\u4ec0\u4e48\u5de5\u5177\u6765\u5bf9\u7f51\u9875\u622a\u56fe\uff1fDevtools \u5b8c\u5168\u53ef\u4ee5\u6ee1\u8db3\u8981\u6c42\u3002<br \/>\n\u6838\u5fc3\u8def\u5f84\uff1a\u6253\u5f00devtools \u540e\uff0c\u4f7f\u7528ctrl + shift + p \u8fdb\u5165command \u6a21\u5f0f\uff0c\u8f93\u5165screenshot\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/command-scaled.jpg\" alt=\"open-devtools-command\" \/><\/p>\n<h3>\u622a\u53d6\u5f53\u524d\/\u6574\u4e2a\u5c4f\u5e55<\/h3>\n<p>\u6309\u7167\u5b57\u9762\u610f\u601d\uff0c\u60f3\u5c55\u793a\u5f53\u524dviewport \u663e\u793a\u7684\u5185\u5bb9\uff0c\u76f4\u63a5\u4f7f\u7528Capture screenshot\uff0c\u4fbf\u4f1a\u622a\u53d6\u663e\u793a\u5185\u5bb9\u3002<br \/>\n\u60f3\u5b8c\u6574\u7684\u622a\u53d6\u6574\u4e2a\u7f51\u9875\uff0c\u4e0d\u7528\u518d\u53bb\u627e\u4ec0\u4e48\u6eda\u52a8\u622a\u56fe\uff0c\u5404\u79cd\u63d2\u4ef6\uff0c\u76f4\u63a5\u4f7f\u7528Capture full size screenshot.<br \/>\n\u5f53\u7136\uff0c\u622a\u56fe\u5728Device mode \u4e0b\u4e5f\u9002\u7528\uff0c\u751a\u81f3\u8981\u66f4\u65b9\u4fbf\u4e00\u4e9b\u3002<br \/>\n\u8fdb\u5165Device mode, \u70b9\u5f00\u53f3\u4e0a\u89d2\u83dc\u5355\uff0c\u5373\u53ef\u770b\u5230\u529f\u80fd\u9879\u3002\u540c\u6837\u7684\u622a\u56fe\u662f\u4ee5\u5f53\u524dviewport \u4e3a\u6807\u51c6\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/capture-screenshot.jpg\" alt=\"\" \/><\/p>\n<h3>\u8282\u70b9\u622a\u56fe<\/h3>\n<p>Devtools \u53ef\u4ee5\u5bf9\u67d0\u4e2a\u8282\u70b9\u622a\u53d6\u6210\u56fe\u7247\uff0c\u53ef\u4ee5\u4ececommand \u9009\u62e9Capture node screenshot\uff0c\u4f1a\u622a\u53d6Element tab \u4e0a\u6240\u9009\u62e9\u7684\u8282\u70b9\u3002<br \/>\n\u5f53\u7136\uff0c\u76f4\u63a5\u5728\u6240\u60f3\u622a\u53d6\u7684\u5143\u7d20\u4e0a\u53f3\u952e\u6253\u5f00\u83dc\u5355\uff0c\u66f4\u4e3a\u65b9\u4fbf\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/capture-node-screenshot.png\" alt=\"\" \/><\/p>\n<h2>\u9009\u62e9\u5143\u7d20\u5230console \u4e2d<\/h2>\n<p>\u901a\u5e38\u6211\u4eec\u5728console \u4e2d\u60f3\u8981\u9009\u62e9\u5143\u7d20\uff0c\u9700\u8981\u4f7f\u7528Web API \u63a5\u53e3\uff0c\u4f7f\u7528document.querySelector \u7b49\u65b9\u6cd5\u5339\u914d\u5143\u7d20\uff0c\u5982\u679c\u5143\u7d20\u6ca1\u6709\u552f\u4e00\u6807\u8bc6\uff0c\u8fd8\u9700\u8981\u5199\u4e0a\u4e00\u5927\u5806\u9009\u62e9\u5668\u6765\u5339\u914d\uff0c\u6216\u662f\u53bbElement tab \u4e2d\u9009\u62e9\u6240\u9700\u5143\u7d20\uff0cCopy selector \u540e\u518d\u7531API \u83b7\u53d6\u3002\u5e38\u7528\u7684\u670b\u53cb\u6216\u8bb8\u4f1a\u76f4\u63a5\u4f7f\u7528 $ \u6765\u4ee3\u66ffdocument.querySelector api \u6765\u52a0\u5feb\u4e00\u70b9\u901f\u5ea6\u3002<br \/>\n\u4f46\u6211\u4eec\u8fd8\u6709\u7740\u66f4\u5feb\u66f4\u65b9\u4fbf\u7684\u65b9\u6cd5\u3002<\/p>\n<h3>\u5c06\u9009\u4e2d\u5143\u7d20\u8bbe\u4e3a\u5168\u5c40\u53d8\u91cf<\/h3>\n<p>\u9009\u4e2d\u6240\u9700\u5143\u7d20\u540e\u53f3\u952e\u8c03\u51fa\u83dc\u5355\u9879\uff0c\u53ef\u4ee5\u770b\u5230Store as global variable \u9009\u9879\u3002<br \/>\n\u9009\u62e9\u8be5\u9879\u540e\u63a7\u5236\u53f0\u4f1a\u8f93\u51fa\u8be5\u53d8\u91cf\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/element-store-global-value.jpg\" alt=\"\" \/><\/p>\n<h3>\u76f4\u63a5\u5728\u63a7\u5236\u53f0\u8bbf\u95ee\u9009\u4e2d\u5143\u7d20<\/h3>\n<p>\u5728Element tab \u4e2d\u9009\u4e2d\u6240\u9700\u5143\u7d20\u540e\uff0cdevtools \u9ed8\u8ba4\u5c06$0 \u53d8\u91cf\u8bbe\u4e3a\u6240\u9009\u5143\u7d20\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/select-element-variable.png\" alt=\"\" \/><\/p>\n<h2>\u4f7f\u7528Console<\/h2>\n<h3>\u76f4\u63a5\u5728source \u8bbe\u7f6elog<\/h3>\n<p>\u6b63\u5728\u6d4f\u89c8\u5668\u8c03\u8bd5\u4e2d\uff0c\u60f3\u6253\u4e2alog \u53ea\u80fd\u56de\u5230\u4ee3\u7801\u91cc\u53bb\u52a0\uff1fnonono\u3002<br \/>\n\u5728\u4ee3\u7801\u884c\u5904\u53f3\u952e\u6253\u5f00\u83dc\u5355\u9879\uff0c\u70b9\u51fbAdd logpoint, \u8f93\u5165\u53d8\u91cf\u540d\uff0c\u56de\u8f66\u6dfb\u52a0\uff08\u5982\u4e0b\u56felogpoint\u4e3a\u7c89\u8272\uff09\u3002<br \/>\n\u4ee3\u7801\u6267\u884c\u5230\u6b64\u5904\u4fbf\u4f1a\u5c06\u53d8\u91cf\u6253\u5370\u3002<br \/>\n\u5b98\u65b9\u793a\u4f8b\u4e2d\u4f7f\u7528\u7c7b\u4f3c\u5b57\u9762\u91cf\u5bf9\u8c61\u7684\u65b9\u5f0f\u6253\u5370\u53d8\u91cf\uff0c\u7c7b\u4f3c\u4e8etoken \u4e3a { token }\uff0c\u8fd9\u6837\u66f4\u6e05\u6670\u4e00\u4e9b\uff08\u5982\u4e0b\u56fe\uff09\u3002<br \/>\n\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7c7b\u4f3c\u5b57\u9762\u91cf\u5bf9\u8c61\u7684\u65b9\u5f0f\u4ec5\u4ec5\u662f\u7c7b\u4f3c\uff0c\u5b83\u4e00\u6b21\u53ea\u80fd\u8f93\u51fa\u4e00\u4e2a\u53d8\u91cf\uff0c\u65e0\u6cd5\u5c06\u591a\u4e2a\u53d8\u91cf\u540c\u65f6\u8f93\u51fa\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/logpoint.png\" alt=\"\" \/><br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/logpoint-output.png\" alt=\"\" \/><\/p>\n<h3>\u4f7f\u7528console.table \u6253\u5370\u53d8\u91cf\u4f7f\u5176\u66f4\u6e05\u6670<\/h3>\n<p>console.table \u662fWeb API \u4e4b\u4e00\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5c55\u793a\u3002<br \/>\n\u5b83\u53ef\u4ee5\u5c06\u6570\u7ec4\u6216\u5bf9\u8c61\u5feb\u901f\u8868\u683c\u5316\uff0c\u4f7f\u5176\u66f4\u76f4\u89c2\u7684\u5c55\u793a\uff0c\u540c\u65f6\u5728\u6700\u672b\u5c3e\u663e\u793a\u53d8\u91cf\u7c7b\u578b\u3002\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7b80\u5199 table( ) \u65b9\u6cd5\u3002<br \/>\n\u5982\u4e0b\u56fe\u4e3abing \u641c\u7d22\u9875\u9762\u5c0f\u51b0\u7684\u8bf7\u6c42\uff0c\u5c06\u6570\u636e\u5b58\u50a8\u4e3a\u5168\u5c40\u53d8\u91cf\u540e\u6253\u5370\u51fa\uff1a<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/log-table.png\" alt=\"\" \/><\/p>\n<h3>\u4f7f\u7528console.group \u6298\u53e0log \u4fe1\u606f<\/h3>\n<p>\u5982\u679c\u6ca1\u6709\u989d\u5916\u8bf4\u660e\uff0c\u5927\u591a\u6570log \u4fe1\u606f\u4f1a\u6df7\u6742\u5728\u4e00\u8d77\uff0c\u8ba9\u4eba\u6beb\u65e0\u5934\u7eea\uff0c\u4f7f\u7528console.group \u65b9\u6cd5\u5219\u4f1a\u5c06\u6307\u5b9alog \u805a\u5408\u4e3a\u7ec4\uff0c\u8c03\u8bd5\u95ee\u9898\u4f1a\u66f4\u65b9\u4fbf\u3002<br \/>\nconsole.group() \u65b9\u6cd5\u6307\u5b9a\u7ec4\u540d\uff0c \u4e5f\u53ef\u7528console.groupCollapsed() \u65b9\u6cd5\uff0c\u533a\u522b\u662fgroupCollapsed \u9ed8\u8ba4\u5c06\u7ec4\u5185\u5185\u5bb9\u6298\u53e0\u8d77\u6765\u3002<br \/>\nconsole.groupEnd() \u65b9\u6cd5\u7ed3\u675f\u6307\u5b9a\u7ec4\u3002<br \/>\n<img src=\"https:\/\/blog.osvlabs.com\/wp-content\/uploads\/2022\/08\/log-group.png\" alt=\"\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 Chrome devtools \u51e0\u4e4e\u662f\u6240\u6709web \u5f00\u53d1\u8005\u5fc5\u7528\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u7b14\u8005\u603b\u7ed3\u4e86\u4e00\u4e9b\u65e5\u5e38\u5f00\u53d1\u8c03\u8bd5\u7528\u7684\u5c0f\u6280\u5de7\uff0c\u5e0c\u671b\u5927\u5bb6\u65e5\u5e38\u4f7f\u7528\u4e2d\u53ef\u4ee5\u65b9\u4fbf\u4e00\u4e9b\u3002 \u5c0f\u6280\u5de7 \u622a\u56fe \u8fd8\u5728\u627e\u7528\u4ec0\u4e48\u5de5\u5177\u6765\u5bf9\u7f51\u9875\u622a\u56fe\uff1fDev\u2026<\/p>\n","protected":false},"author":2,"featured_media":425,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":5}},"_links":{"self":[{"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/posts\/413"}],"collection":[{"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=413"}],"version-history":[{"count":2,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/posts\/413\/revisions"}],"predecessor-version":[{"id":426,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/posts\/413\/revisions\/426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=\/wp\/v2\/media\/425"}],"wp:attachment":[{"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.osvlabs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}