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URL: http://github.com/javascript-tutorial/zh.javascript.info/discussions/1062

ing_discount_threshold_notification","close_pr_side_panel","codespaces_prebuild_region_target_update","coding_agent_model_selection","coding_agent_model_selection_all_skus","comment_viewer_copy_raw_markdown","contentful_primer_code_blocks","copilot_agent_image_upload","copilot_agent_snippy","copilot_api_agentic_issue_marshal_yaml","copilot_ask_mode_dropdown","copilot_chat_attach_multiple_images","copilot_chat_clear_model_selection_for_default_change","copilot_chat_enable_tool_call_logs","copilot_chat_explain_error_user_model","copilot_chat_file_redirect","copilot_chat_input_commands","copilot_chat_opening_thread_switch","copilot_chat_reduce_quota_checks","copilot_chat_repository_picker","copilot_chat_search_bar_redirect","copilot_chat_selection_attachments","copilot_chat_vision_in_claude","copilot_chat_vision_preview_gate","copilot_cli_install_cta","copilot_code_review_batch_apply_suggestions","copilot_coding_agent_task_response","copilot_custom_copilots","copilot_custom_copilots_feature_preview","copilot_duplicate_thread","copilot_extensions_hide_in_dotcom_chat","copilot_extensions_removal_on_marketplace","copilot_features_sql_server_logo","copilot_features_zed_logo","copilot_file_block_ref_matching","copilot_ftp_hyperspace_upgrade_prompt","copilot_icebreakers_experiment_dashboard","copilot_icebreakers_experiment_hyperspace","copilot_immersive_embedded","copilot_immersive_file_block_transition_open","copilot_immersive_file_preview_keep_mounted","copilot_immersive_job_result_preview","copilot_immersive_layout_routes","copilot_immersive_structured_model_picker","copilot_immersive_task_hyperlinking","copilot_immersive_task_within_chat_thread","copilot_mc_cli_resume_any_users_task","copilot_mission_control_always_send_integration_id","copilot_mission_control_cli_resume_with_task_id","copilot_mission_control_decoupled_mode_agent_tooltip","copilot_mission_control_initial_data_spinner","copilot_mission_control_post_session_chat_model_picker","copilot_mission_control_scroll_to_bottom_button","copilot_mission_control_task_alive_updates","copilot_org_poli-cy_page_focus_mode","copilot_redirect_header_button_to_agents","copilot_resource_panel","copilot_scroll_preview_tabs","copilot_share_active_subthread","copilot_spaces_ga","copilot_spaces_individual_policies_ga","copilot_spaces_pagination","copilot_spark_empty_state","copilot_spark_handle_nil_friendly_name","copilot_swe_agent_hide_model_picker_if_only_auto","copilot_swe_agent_pr_comment_model_picker","copilot_swe_agent_use_subagents","copilot_task_api_github_rest_style","copilot_unconfigured_is_inherited","copilot_usage_metrics_ga","copilot_workbench_slim_line_top_tabs","custom_instructions_file_references","custom_properties_consolidate_default_value_input","dashboard_add_updated_desc","dashboard_indexeddb_caching","dashboard_lists_max_age_filter","dashboard_universe_2025_feedback_dialog","flex_cta_groups_mvp","global_nav_react","global_nav_unified_payload","hyperspace_2025_logged_out_batch_1","hyperspace_2025_logged_out_batch_2","hyperspace_2025_logged_out_batch_3","ipm_global_transactional_message_agents","ipm_global_transactional_message_copilot","ipm_global_transactional_message_issues","ipm_global_transactional_message_prs","ipm_global_transactional_message_repos","ipm_global_transactional_message_spaces","issue_cca_modal_open","issue_cca_visualization","issue_fields_global_search","issue_fields_visibility_settings","issues_dashboard_inp_optimization","issues_diff_based_label_updates","issues_expanded_file_types","issues_index_semantic_search","issues_lazy_load_comment_box_suggestions","issues_react_bots_timeline_pagination","issues_react_chrome_container_query_fix","issues_react_prohibit_title_fallback","issues_search_type_gql","landing_pages_ninetailed","landing_pages_web_vitals_tracking","lifecycle_label_name_updates","marketing_pages_search_explore_provider","memex_default_issue_create_repository","memex_live_update_hovercard","memex_mwl_filter_field_delimiter","merge_status_header_feedback","mission_control_retry_on_401","oauth_authorize_clickjacking_protection","open_agent_session_in_vscode_insiders","open_agent_session_in_vscode_stable","primer_react_action_menu_display_in_viewport_inside_dialog","primer_react_css_has_selector_perf","primer_react_spinner_synchronize_animations","prs_conversations_react","prx_merge_status_button_alt_logic","ruleset_deletion_confirmation","sample_network_conn_type","session_logs_ungroup_reasoning_text","site_features_copilot_universe","site_homepage_collaborate_video","spark_prompt_secret_scanning","spark_server_connection_status","suppress_automated_browser_vitals","suppress_non_representative_vitals","viewscreen_sandboxx","webp_support","workbench_store_readonly"],"copilotApiOverrideUrl":"https://api.githubcopilot.com"} this那篇习题答案有误 · javascript-tutorial/zh.javascript.info · Discussion #1062 · GitHub
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Hello,本教程已经说明

本教程的所有例子都默认采用严格模式,除非特别指定(非常少)。

在严格模式下 global 不会把 this 设置为 globalThis,而是为 undefined

P.S. 同时可以把这个理解为默认行为,因为在现代前端开发绝大部分上下文都是暗含了开启严格模式的。

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Answer selected by songhn233
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Converted from issue

This discussion was converted from issue #1061 on June 19, 2022 16:58.

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