B02_html+css小实例

博客介绍了输入框占位符的功能,当输入框未输入内容时,会显示变虚的占位符提示,如“请输入用户名”,而当用户开始输入内容,占位符就会被覆盖。

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placeholder=“请输入用户名”,变虚的,输入就覆盖(占位符)
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[ 0.643174] musb-hdrc musb-hdrc: MUSB HDRC host driver [ 0.643197] musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 1 [ 0.643309] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.12 [ 0.643318] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.643322] usb usb1: Product: MUSB HDRC host driver [ 0.643326] usb usb1: Manufacturer: Linux 6.12.30-android16-5-g1ed949324a3e-ab13881345-4k musb-hcd [ 0.643330] usb usb1: SerialNumber: musb-hdrc [ 0.643510] hub 1-0:1.0: USB hub found [ 0.643531] hub 1-0:1.0: 1 port detected [ 0.643593] [MUSB]musb_hub_control 392: try to call musb_start in virthub [ 0.643629] probe of 1-0:1.0 returned 0 after 130 usecs [ 0.643670] probe of usb1 returned 0 after 234 usecs [ 0.643781] mt_usb mt_usb: role_sx_set role 0, latest_role: 0 [ 0.643787] musb-hdrc musb-hdrc: mailbox VBUS_OFF [ 0.643792] ------------[ cut here ]------------ [ 0.643795] unbalanced disables for regulator-dummy [ 0.643816] WARNING: CPU: 6 PID: 1 at drivers/regulator/core.c:3001 _regulator_disable+0x60/0x290 [ 0.643828] Modules linked in: musb_main(O+) musb_boost(O) mtk_dvfsrc_helper(O) musb_hdrc(O) phy_mtk_tphy(O) phy_generic aee_rs(O) reset_ti_syscon(O) spi_mt65xx(O) cmdq_helper_inf(O) cmdq_platform_mt6855(O) mtk_cmdq_drv_ext(O) device_apc_common(O) system_heap(O) mtk_iommu(O) iommu_secure(O) iommu_debug(O) mtk_iommu_util(O) mmqos_wrapper(O) mmqos_mt6855(O) mmqos_common(O) mtk_mm_monitor_controller(O) mm_monitor_platform_mt6855(O) mtk_mmdvfs_debug_v3(O) mtk_mmdvfs_debug(O) mtk_mmdvfs_v3(O) mtk_tinysys_ipi(O) mtk_rpmsg_mbox(O) mtk_mbox(O) mtk_mmdvfs(O) mtk_mmdebug_vcp_stub(O) vcp_status(O) mtk_mmdvfs_ftrace(O) mtk_icc_core(O) mmprofile(O) mtk_smi_dbg(O) emi(O) emi_mpu(O) mtk_smi(O) mtk_mminfra_util(O) mtk_emi(O) mtk_dvfsrc_devfreq(O) mtk_dvfsrc_regulator(O) mtk_dvfsrc(O) mtk_dramc(O) 8250_mtk(O) mtk_uart_apdma(O) irq_dbg(O) pd_chk_mt6855(O) mtk_scpsys_bringup(O) mtk_scpsys_mt6855(O) mtk_scpsys(O) clk_fmeter_mt6855(O) clk_bringup(O) clk_chk_mt6855(O) clk_dbg_mt6855(O) clk_mt6855_mdp(O) clk_mt6855_imgsys2(O) [ 0.643907] clk_mt6855_imgsys1(O) clk_mt6855_cam_m(O) clk_mt6855_vcodec(O) clk_mt6855_img(O) clk_mt6855_bus(O) clk_mt6855_peri(O) clk_mt6855_mmsys(O) clk_mt6855_cam(O) clk_mt6855_adsp(O) clk_mt6855(O) clk_common(O) pinctrl_mtk_common_v2_debug(O) pinctrl_mt6855(O) pinctrl_mtk_v2(O) nvmem_mt635x_efuse(O) sec_rng(O) timer_mediatek(O) mtk_wdt(O) nvmem_mtk_devinfo(O) log_store(O) mtk_printk_ctrl(O) monitor_hang(O) aee_hangdet(O) aee_aed(O) mtk_disp_notify(O) mtk_sync(O) dbgtop_drm(O) bootprof(O) mkp(O) mrdump(O) pkvm_hypmmu(O) pkvm_mgmt(O) [ 0.643956] CPU: 6 UID: 0 PID: 1 Comm: init Tainted: G O 6.12.30-android16-5-g1ed949324a3e-ab13881345-4k #1 82a8f78d3d6649bbda1d71f2836e9b207ae10386 [ 0.643963] Tainted: [O]=OOT_MODULE [ 0.643967] Hardware name: MT6855 (DT) [ 0.643971] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 0.643976] pc : _regulator_disable+0x60/0x290 [ 0.644016] lr : _regulator_disable+0x60/0x290 [ 0.644021] sp : ffffffc08008b4a0 [ 0.644025] x29: ffffffc08008b4a0 x28: 0000000000000101 x27: ffffff80cc23dfc4 [ 0.644033] x26: ffffff80cda37dc0 x25: ffffff80cc23d4e9 x24: ffffffc080fa0044 [ 0.644040] x23: ffffff80cc23dfd1 x22: ffffff80cc23c2a0 [ 0.644041] probe of soc:odm:rt5133-gpio3 returned -517 after 8 usecs [ 0.644044] x21: 0000000000000000 [ 0.644049] x20: ffffff80c0ca9000 x19: ffffff80c0ca9000 x18: ffffffc0800810d0 [ 0.644056] x17: 00000000fed73151 x16: 00000000fed73151 x15: 0000000000000004 [ 0.644063] x14: ffffff817e42ea80 x13: 0000000000000003 x12: 0000000000000003 [ 0.644069] x11: 00000000fffeffff x10: c0000000fffeffff x9 : e87d8386db7a6900 [ 0.644076] x8 : e87d8386db7a6900 x7 : 205b5d3539373334 x6 : 362e30202020205b [ 0.644083] x5 : ffffffea99c4f9d0 x4 : ffffffc08008b02f x3 : 0000000000000000 [ 0.644089] x2 : 0000000000000000 x1 : ffffffc08008b230 x0 : 0000000000000027 [ 0.644096] Call trace: [ 0.644100] _regulator_disable+0x60/0x290 [ 0.644105] regulator_disable+0x44/0x84 [ 0.644110] mt_usb_role_sx_set+0x274/0x344 [musb_hdrc 370cdfbe66e30270facfcb77759aca51da1aa4ea] [ 0.644196] mt_usb_otg_switch_init+0x160/0x3cc [musb_hdrc 370cdfbe66e30270facfcb77759aca51da1aa4ea] [ 0.644267] probe of soc:odm:rt5133-gpio1 returned -517 after 5 usecs [ 0.644268] musb_init_controller+0xd40/0xfc0 [musb_hdrc 370cdfbe66e30270facfcb77759aca51da1aa4ea] [ 0.644336] musb_probe+0x10c/0x114 [musb_main 2815e527052e031cd7abea8fc260a5130dff4833] [ 0.644344] platform_probe+0xa0/0xe0 [ 0.644351] really_probe+0x104/0x354 [ 0.644356] __driver_probe_device+0xe4/0x130 [ 0.644361] driver_probe_device+0x3c/0x218 [ 0.644365] __driver_attach+0x10c/0x1e8 [ 0.644369] bus_for_each_dev+0x104/0x160 [ 0.644377] driver_attach+0x24/0x34 [ 0.644381] bus_add_driver+0x140/0x2ac [ 0.644388] driver_register+0x68/0x104 [ 0.644392] __platform_driver_register+0x20/0x30 [ 0.644398] init_module+0x20/0xfe4 [musb_main 2815e527052e031cd7abea8fc260a5130dff4833] [ 0.644405] do_one_initcall+0xdc/0x34c [ 0.644410] do_init_module+0x58/0x224 [ 0.644415] load_module+0x12e0/0x1430 [ 0.644423] __arm64_sys_finit_module+0x264/0x304 [ 0.644430] invoke_syscall+0x58/0x10c [ 0.644437] el0_svc_common+0xa8/0xdc [ 0.644444] probe of soc:odm:rt5133-gpio2 returned -517 after 4 usecs [ 0.644444] do_el0_svc+0x1c/0x28 [ 0.644451] el0_svc+0x38/0x88 [ 0.644457] el0t_64_sync_handler+0x70/0xbc [ 0.644461] el0t_64_sync+0x1a8/0x1ac [ 0.644466] ---[ end trace 0000000000000000 ]--- [ 0.644468] probe of firmware:scmi returned -517 after 4 usecs [ 0.644506] [MUSB]mt_usb_disconnect 4118: [MUSB] USB disconnect [ 0.644523] [MUSB]issue_connection_work 4105: issue work, ops<0> [ 0.644530] mt_usb mt_usb: mt_usb_role_sx_set: if vbus_event false [ 0.644538] [MUSB]do_connection_work 4011: is_host<0>, power<1>, ops<0> [ 0.644545] [MUSB]cmode_effect_on 3998: cable_mode=1, effect=0 [ 0.644555] [MUSB]set_usb_phy_mode 105: force PHY to mode 0, 0x6c=3f11 [ 0.644572] CH0(0x204)=0xe4600 [ 0.644576] probe of soc:mmdvfs returned -517 after 11 usecs [ 0.644577] CH0(0x204)=0xe0000 [ 0.644581] CH1(0x214)=0xe0000 [ 0.644586] CH1(0x214)=0xe0000 [ 0.644589] CH2(0x224)=0xe0000 [ 0.644594] CH2(0x224)=0xe0000 [ 0.644597] CH3(0x234)=0xe0000 [ 0.644602] CH3(0x234)=0xe0000 [ 0.644605] CH4(0x244)=0xe0000 [ 0.644610] CH4(0x244)=0xe0000 [ 0.644613] CH5(0x254)=0xe0000 [ 0.644617] CH5(0x254)=0xe0000 [ 0.644621] CH6(0x264)=0xe0000 [ 0.644625] CH6(0x264)=0xe0000 [ 0.644629] CH7(0x274)=0xe0000 [ 0.644633] CH7(0x274)=0xe0000 [ 0.644652] [MUSB]mt_usb_disable 3879: begin, <1,1>,<1,1,1,0> [ 0.644665] [MUSB]mt_usb_disable 3897: end, <1,1,1,1> [ 0.644669] [MUSB]musb_stop 1473: HDRC disabled [ 0.644672] [MUSB]do_connection_work 4063: lock not active [ 0.644815] probe of 1c00f000.dvfsrc:dvfsrc-helper returned -517 after 8 usecs [ 0.647352] mtk-tphy soc:usb-phy@11e40000: u2_phy_instance_power_off(0) [ 0.647362] ------------[ cut here ]------------ [ 0.647365] proc_dir_entry '/proc/mtk_usb' already registered [ 0.647380] WARNING: CPU: 6 PID: 1 at fs/proc/generic.c:376 proc_register+0x12c/0x1b0 [ 0.647389] Modules linked in: musb_main(O+) musb_boost(O) mtk_dvfsrc_helper(O) musb_hdrc(O) phy_mtk_tphy(O) phy_generic aee_rs(O) reset_ti_syscon(O) spi_mt65xx(O) cmdq_helper_inf(O) cmdq_platform_mt6855(O) mtk_cmdq_drv_ext(O) device_apc_common(O) system_heap(O) mtk_iommu(O) iommu_secure(O) iommu_debug(O) mtk_iommu_util(O) mmqos_wrapper(O) mmqos_mt6855(O) mmqos_common(O) mtk_mm_monitor_controller(O) mm_monitor_platform_mt6855(O) mtk_mmdvfs_debug_v3(O) mtk_mmdvfs_debug(O) mtk_mmdvfs_v3(O) mtk_tinysys_ipi(O) mtk_rpmsg_mbox(O) mtk_mbox(O) mtk_mmdvfs(O) mtk_mmdebug_vcp_stub(O) vcp_status(O) mtk_mmdvfs_ftrace(O) mtk_icc_core(O) mmprofile(O) mtk_smi_dbg(O) emi(O) emi_mpu(O) mtk_smi(O) mtk_mminfra_util(O) mtk_emi(O) mtk_dvfsrc_devfreq(O) mtk_dvfsrc_regulator(O) mtk_dvfsrc(O) mtk_dramc(O) 8250_mtk(O) mtk_uart_apdma(O) irq_dbg(O) pd_chk_mt6855(O) mtk_scpsys_bringup(O) mtk_scpsys_mt6855(O) mtk_scpsys(O) clk_fmeter_mt6855(O) clk_bringup(O) clk_chk_mt6855(O) clk_dbg_mt6855(O) clk_mt6855_mdp(O) clk_mt6855_imgsys2(O) [ 0.647459] clk_mt6855_imgsys1(O) clk_mt6855_cam_m(O) clk_mt6855_vcodec(O) clk_mt6855_img(O) clk_mt6855_bus(O) clk_mt6855_peri(O) clk_mt6855_mmsys(O) clk_mt6855_cam(O) clk_mt6855_adsp(O) clk_mt6855(O) clk_common(O) pinctrl_mtk_common_v2_debug(O) pinctrl_mt6855(O) pinctrl_mtk_v2(O) nvmem_mt635x_efuse(O) sec_rng(O) timer_mediatek(O) mtk_wdt(O) nvmem_mtk_devinfo(O) log_store(O) mtk_printk_ctrl(O) monitor_hang(O) aee_hangdet(O) aee_aed(O) mtk_disp_notify(O) mtk_sync(O) dbgtop_drm(O) bootprof(O) mkp(O) mrdump(O) pkvm_hypmmu(O) pkvm_mgmt(O) [ 0.647501] CPU: 6 UID: 0 PID: 1 Comm: init Tainted: G W O 6.12.30-android16-5-g1ed949324a3e-ab13881345-4k #1 82a8f78d3d6649bbda1d71f2836e9b207ae10386 [ 0.647508] Tainted: [W]=WARN, [O]=OOT_MODULE [ 0.647512] Hardware name: MT6855 (DT) [ 0.647515] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 0.647520] pc : proc_register+0x12c/0x1b0 [ 0.647524] lr : proc_register+0x124/0x1b0 [ 0.647528] sp : ffffffc08008b530 [ 0.647531] x29: ffffffc08008b530 x28: 0000000000000101 x27: ffffff80cc23dfc4 [ 0.647538] x26: ffffff80c0f05998 x25: 0000000000000008 x24: 0000000000000010 [ 0.647545] x23: 0000000000000007 x22: ffffff80cd9626ac x21: ffffffea99ad3010 [ 0.647551] x20: ffffffea99ad2f90 x19: ffffff80cd962600 x18: ffffffc0800810c8 [ 0.647557] x17: 00000000fed73151 x16: 00000000fed73151 x15: 0000000000000004 [ 0.647564] x14: ffffff817e42ea80 x13: 0000000000000003 x12: 0000000000000003 [ 0.647570] x11: 00000000fffeffff x10: c0000000fffeffff x9 : e87d8386db7a6900 [ 0.647576] x8 : e87d8386db7a6900 x7 : 205b5d3536333734 x6 : 362e30202020205b [ 0.647582] x5 : ffffffea99c4f9d0 x4 : ffffffc08008b0bf x3 : 0000000000000000 [ 0.647589] x2 : 0000000000000000 x1 : ffffffc08008b2c0 x0 : ffffffea99c70cdc [ 0.647595] Call trace: [ 0.647598] proc_register+0x12c/0x1b0 [ 0.647603] proc_mkdir+0x60/0x8c [ 0.647607] musb_init_debugfs+0x2c/0x240 [musb_hdrc 370cdfbe66e30270facfcb77759aca51da1aa4ea] [ 0.647674] musb_init_controller+0xd4c/0xfc0 [musb_hdrc 370cdfbe66e30270facfcb77759aca51da1aa4ea] [ 0.647737] musb_probe+0x10c/0x114 [musb_main 2815e527052e031cd7abea8fc260a5130dff4833] [ 0.647743] platform_probe+0xa0/0xe0 [ 0.647749] really_probe+0x104/0x354 [ 0.647754] __driver_probe_device+0xe4/0x130 [ 0.647758] driver_probe_device+0x3c/0x218 [ 0.647762] __driver_attach+0x10c/0x1e8 [ 0.647766] bus_for_each_dev+0x104/0x160 [ 0.647773] driver_attach+0x24/0x34 [ 0.647777] bus_add_driver+0x140/0x2ac [ 0.647784] driver_register+0x68/0x104 [ 0.647788] __platform_driver_register+0x20/0x30 [ 0.647794] init_module+0x20/0xfe4 [musb_main 2815e527052e031cd7abea8fc260a5130dff4833] [ 0.647800] do_one_initcall+0xdc/0x34c [ 0.647804] do_init_module+0x58/0x224 [ 0.647808] load_module+0x12e0/0x1430 [ 0.647815] __arm64_sys_finit_module+0x264/0x304 [ 0.647822] invoke_syscall+0x58/0x10c [ 0.647829] el0_svc_common+0xa8/0xdc [ 0.647835] do_el0_svc+0x1c/0x28 [ 0.647841] el0_svc+0x38/0x88 [ 0.647846] el0t_64_sync_handler+0x70/0xbc [ 0.647850] el0t_64_sync+0x1a8/0x1ac [ 0.647855] ---[ end trace 0000000000000000 ]--- [ 0.647877] probe of musb-hdrc returned 0 after 18527 usecs call trace怎么解决
最新发布
08-15
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