学习React之前的基础是什么？

2023-03-13 发布浏览：483 次

为什么要研究React？React被广泛使用。您将来可能会接触React项目。许多公司也在使用React来降低您未来的集成成本。

今天使用的许多工具也是由eact开发的，在github社区中有许多优秀的React开源项目。

作为一名前端工程师，面试中还有React问题

在学习React之前，您需要了解JavaScript的前因：变量

箭头功能

使用扩展运算符处理对象和数组

对象和数组的解构

模板字符串

回调函数

Es模块化

相关资讯：

Debug messages:

Template: main

Session:

Session type: db

[unisoft__unisoft] Array ( [permission] => [human_valid] => [passport] => )

Loaded Class:

Zend_Db: /web/unisoft/web.system/Zend/Db.php

Zend_Db_Adapter_Abstract: /web/unisoft/web.system/Zend/Db/Adapter/Abstract.php

Zend_Db_Adapter_Mysqli: /web/unisoft/web.system/Zend/Db/Adapter/Mysqli.php

Zend_Db_Profiler: /web/unisoft/web.system/Zend/Db/Profiler.php

Zend_Db_Statement_Interface: /web/unisoft/web.system/Zend/Db/Statement/Interface.php

Zend_Db_Statement: /web/unisoft/web.system/Zend/Db/Statement.php

Zend_Db_Statement_Mysqli: /web/unisoft/web.system/Zend/Db/Statement/Mysqli.php

Zend_Registry: /web/unisoft/web.system/Zend/Registry.php

Zend_Db_Table_Abstract: /web/unisoft/web.system/Zend/Db/Table/Abstract.php

Zend_Session_Abstract: /web/unisoft/web.system/Zend/Session/Abstract.php

Zend_Session: /web/unisoft/web.system/Zend/Session.php

Zend_Session_SaveHandler_Interface: /web/unisoft/web.system/Zend/Session/SaveHandler/Interface.php

Zend_Session_SaveHandler_DbTable: /web/unisoft/web.system/Zend/Session/SaveHandler/DbTable.php

Zend_Exception: /web/unisoft/web.system/Zend/Exception.php

Zend_Session_Exception: /web/unisoft/web.system/Zend/Session/Exception.php

Zend_Db_Select: /web/unisoft/web.system/Zend/Db/Select.php

Zend_Db_Table_Select: /web/unisoft/web.system/Zend/Db/Table/Select.php

Zend_Db_Expr: /web/unisoft/web.system/Zend/Db/Expr.php

Zend_Db_Table_Rowset_Abstract: /web/unisoft/web.system/Zend/Db/Table/Rowset/Abstract.php

Zend_Db_Table_Rowset: /web/unisoft/web.system/Zend/Db/Table/Rowset.php

Zend_Db_Table_Row_Abstract: /web/unisoft/web.system/Zend/Db/Table/Row/Abstract.php

Zend_Db_Table_Row: /web/unisoft/web.system/Zend/Db/Table/Row.php

HTTP: /web/unisoft/web.system/class/cls_http.inc.php

Zend_Session_Namespace: /web/unisoft/web.system/Zend/Session/Namespace.php

system_setting_class: /web/unisoft/web.core/system/setting.php

Zend_Cache: /web/unisoft/web.system/Zend/Cache.php

Zend_Cache_Backend: /web/unisoft/web.system/Zend/Cache/Backend.php

Zend_Cache_Backend_Interface: /web/unisoft/web.system/Zend/Cache/Backend/Interface.php

Zend_Cache_Backend_ExtendedInterface: /web/unisoft/web.system/Zend/Cache/Backend/ExtendedInterface.php

site_ip_class: /web/unisoft/web.core/site/ip.php

Zend_Validate_Interface: /web/unisoft/web.system/Zend/Validate/Interface.php

Zend_Validate: /web/unisoft/web.system/Zend/Validate.php

Zend_Loader: /web/unisoft/web.system/Zend/Loader.php

Zend_Validate_Abstract: /web/unisoft/web.system/Zend/Validate/Abstract.php

TPL: /web/unisoft/web.system/class/cls_template.inc.php

Savant3_Error: /web/unisoft/web.system/Savant3/Error.php

package_main_class: /web/unisoft/web.core/package/main.php

iot_hardware_main_class: /web/unisoft/web.core/iot/hardware/main.php

iot_hardware_category_class: /web/unisoft/web.core/iot/hardware/category.php

site_service_main_class: /web/unisoft/web.core/site/service/main.php

site_article_main_class: /web/unisoft/web.core/site/article/main.php

site_article_extra_class: /web/unisoft/web.core/site/article/extra.php

site_keyword_exclude_class: /web/unisoft/web.core/site/keyword/exclude.php

system_content_class: /web/unisoft/web.core/system/content.php

site_article_attachment_class: /web/unisoft/web.core/site/article/attachment.php

site_article_category_class: /web/unisoft/web.core/site/article/category.php

Database [main master]

[ Log time: 1788108464.7132 ] [ Expend time: 0.0050830841064453 ] Connect DB

Cache

[ Log time: 1788108464.7266 ] Backend:

[ Log time: 1788108464.7273 ] [ Expend time: 0.000581 ] Get Cache: settings_ef8c7cef1f80fbad45b9ee480e92d03c, result type: array

[ Log time: 1788108464.7275 ] [ Expend time: 0.000222 ] Get Cache: crond, result type: boolean

[ Log time: 1788108464.7402 ] [ Expend time: 0.000712 ] Get Cache: model_7ec70ee0360b8a929eb442cbc38dfd27, result type: array

[ Log time: 1788108464.7438 ] [ Expend time: 0.002889 ] Get Cache: model_eebc36c56f6ebd5dc315368f04ea4f0d, result type: array

[ Log time: 1788108464.7451 ] [ Expend time: 0.000608 ] Get Cache: model_87644abf3b1d496cbf4b1667422d7d51, result type: array

[ Log time: 1788108464.7467 ] [ Expend time: 0.000622 ] Get Cache: site_service_list_7e49c82f3098f580fb5928807f5e466d, result type: array

[ Log time: 1788108464.7557 ] [ Expend time: 0.001605 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788108464.7622 ] [ Expend time: 0.001815 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788108464.7677 ] [ Expend time: 0.001799 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788108464.7776 ] [ Expend time: 0.001895 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788108464.7887 ] [ Expend time: 0.000340 ] Get Cache: 8eb06ac3d08c8f08fb0669c84778b95d, result type: boolean

[ Log time: 1788108464.7916 ] [ Expend time: 0.001391 ] Save Cache: 8eb06ac3d08c8f08fb0669c84778b95d, result type: integer

Database [core master]

[ Log time: 1788108464.7312 ] [ Expend time: 0.0018348693847656 ] Connect DB

[ Log time: 1788108464.7321 ] [ Expend time: 0.0007321834564209 ] SELECT `z_ip`.* FROM `z_ip` WHERE (ip = '216.73.217' AND visit_time = 1788108420) LIMIT 1

[ Log time: 1788108464.7338 ] [ Expend time: 0.001680850982666 ] UPDATE z_ip SET visit_count = visit_count + 1 WHERE ip = '216.73.217' and visit_time = 1788108420

[ Log time: 1788108464.7348 ] [ Expend time: 0.00095391273498535 ] DELETE FROM z_ip WHERE visit_count < 120 and visit_time <= 1788108240

[ Log time: 1788108464.7356 ] [ Expend time: 0.00066804885864258 ] SELECT SUM(visit_count) AS `n0` FROM `z_ip` WHERE ((ip = '216.73.217') AND is_delete = 0)

[ Log time: 1788108464.7518 ] [ Expend time: 0.0031888484954834 ] SELECT `z_article`.* FROM `z_article` WHERE (no = '71b78ec6ada0ab6d') LIMIT 1

[ Log time: 1788108464.7535 ] [ Expend time: 0.001032829284668 ] SELECT `z_article_extra`.* FROM `z_article_extra` WHERE (is_delete = 0 AND article_id IN(6057))

[ Log time: 1788108464.7659 ] [ Expend time: 0.0010168552398682 ] SELECT `z_article_extra`.* FROM `z_article_extra` WHERE (article_id = 6057) LIMIT 1

[ Log time: 1788108464.7733 ] [ Expend time: 0.0010170936584473 ] SELECT `z_article_attachment`.* FROM `z_article_attachment` WHERE (article_id = 6057 AND is_delete = 0) ORDER BY `id` DESC

[ Log time: 1788108464.7756 ] [ Expend time: 0.0021300315856934 ] SELECT `z_article`.* FROM `z_article` WHERE (is_delete = 0 AND category_id = 72 AND is_enable = 1) ORDER BY `id` DESC LIMIT 5

[ Log time: 1788108464.7901 ] [ Expend time: 0.0013818740844727 ] UPDATE z_article SET view_count = view_count + 1 WHERE id = 6057

[ Log time: 1788108464.7933 ] [ Expend time: 0.00084805488586426 ] SELECT `z_article_category`.* FROM `z_article_category` WHERE (id = 72) LIMIT 1

[ Log time: 1788108464.7941 ] [ Expend time: 0.00067901611328125 ] SELECT `z_article_category`.* FROM `z_article_category` WHERE (id = 30) LIMIT 1

Escape time: 0.098372936248779, 0 queries, PHP Memory usage: 5581.03125 KB, Server time: 2026-08-31 00:47:44

学习React之前的基础是什么？

相关资讯：

什么是新订单系统

农产品分销软件如何帮助农产品分销

如何成为一名程序员？这是重要的几点

什么是域名归档？我们为什么要归档？备案后，您将获得以下好处！

上网速度慢。我该怎么办？