data-intro<\/code>\u63d0\u793a\u6587\u672c\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528HTML\u6807\u7b7e<\/p>\n\n\n\n\u5b9e\u6218<\/h2>\n\n\n\n
\u4e0a\u9762\u8fd9\u4e9b\u90fd\u592a\u7406\u60f3\u4e86\uff0c\u5728\u5b9e\u9645\u8fd0\u7528\u4e2d\uff0c\u600e\u4e48\u4f1a\u8fd9\u4e48\u7b80\u5355\uff0c\u5148\u6765\u770b\u4e00\u6bb5\u7ecf\u5178\u7684HTML\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<div class=\"n-210105-3\">\n <div class=\"n-bg\">\n <div class=\"n-bg-d\">\n <div class=\"n-main\">\n <span class=\"n-ico\">\n @@@\n <p>\u4e13\u5c5e\u5185\u5bb9<\/p>\n <\/span>\n <p class=\"n-meat\">\u60a8\u9700\u8981\u5165\u5708\u4e4b\u540e\u624d\u80fd\u67e5\u770b\u5e16\u5b50\u5185\u5bb9<\/p>\n <div class=\"n-button\">\u73b0\u5728\u52a0\u5165<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div><\/code><\/pre>\n\n\n\n\u4e00\u4e2a\u95ee\u9898\uff0c\u600e\u4e48\u7ed9\u6211\u4eec\u9700\u8981\u7684\u6807\u7b7e\u6dfb\u52a0\u5c5e\u6027\u5462\uff1f<\/strong><\/p>\n\n\n\n\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u8fd9\u4e2aJS\u65b9\u6cd5\u6765\u7ed9\u6307\u5b9a\u7684\u6807\u7b7e\u6dfb\u52a0\u5c5e\u6027<\/p>\n\n\n\n
document.querySelector(\".n-ico p\").setAttribute('data-step', \"1\"); <\/code><\/pre>\n\n\n\n