pFad - Phone/Frame/Anonymizer/Declutterfier! Saves Data!


--- a PPN by Garber Painting Akron. With Image Size Reduction included!

URL: http://github.com/javascript-tutorial/uk.javascript.info/pull/25.patch

ΌΠΎΠΆΠ½Π°* опускати ΠΊΡ€Π°ΠΏΠΊΡƒ Π· комою. АлС Π±Π΅Π·ΠΏΠ΅Ρ‡Π½Ρ–ΡˆΠ΅ -- особливо для Π½ΠΎΠ²ΠΈΡ‡ΠΊΠ° -- використовувати Ρ—Ρ…. -## Comments +## ΠšΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– -As time goes on, programs become more and more complex. It becomes necessary to add *comments* which describe what the code does and why. +Π— часом ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΈ ΡΡ‚Π°ΡŽΡ‚ΡŒ всС ΡΠΊΠ»Π°Π΄Π½Ρ–ΡˆΠΈΠΌΠΈ Ρ– ΡΠΊΠ»Π°Π΄Π½Ρ–ΡˆΠΈΠΌΠΈ. Π’ΠΈΠ½ΠΈΠΊΠ°Ρ” ΠΏΠΎΡ‚Ρ€Π΅Π±Π° Π΄ΠΎΠ΄Π°Π²Π°Ρ‚ΠΈ *ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ–*, які Π±ΡƒΠ΄ΡƒΡ‚ΡŒ описувати Ρ‰ΠΎ Ρ€ΠΎΠ±ΠΈΡ‚ΡŒ ΠΊΠΎΠ΄ Ρ– Ρ‡ΠΎΠΌΡƒ. -Comments can be put into any place of a script. They don't affect its execution because the engine simply ignores them. +ΠšΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– ΠΌΠΎΠΆΠ½Π° писати Π² Π±ΡƒΠ΄ΡŒ-якому місці скрипта. Π’ΠΎΠ½ΠΈ Π½Π΅ Π²ΠΏΠ»ΠΈΠ²Π°ΡŽΡ‚ΡŒ Π½Π° ΠΉΠΎΠ³ΠΎ виконання, Ρ‚ΠΎΠΌΡƒ Ρ‰ΠΎ Ρ€ΡƒΡˆΡ–ΠΉ просто Ρ–Π³Π½ΠΎΡ€ΡƒΡ” ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ–. -**One-line comments start with two forward slash characters `//`.** +**ΠžΠ΄Π½ΠΎΡ€ΡΠ΄ΠΊΠΎΠ²Ρ– ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– ΠΏΠΎΡ‡ΠΈΠ½Π°ΡŽΡ‚ΡŒΡΡ Π· ΠΏΠΎΠ΄Π²Ρ–ΠΉΠ½ΠΎΡ— косої риски `//`.** -The rest of the line is a comment. It may occupy a full line of its own or follow a statement. +Частина рядка після `//` Π²Π²Π°ΠΆΠ°Ρ”Ρ‚ΡŒΡΡ ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Π΅ΠΌ. Π’Π°ΠΊΠΈΠΉ ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€ ΠΌΠΎΠΆΠ΅ Π·Π°ΠΉΠΌΠ°Ρ‚ΠΈ вСсь рядок, Π°Π±ΠΎ знаходитися після інструкції. -Like here: +Ось Ρ‚Π°ΠΊ: ```js run -// This comment occupies a line of its own -alert('Hello'); +// Π¦Π΅ΠΉ ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€ Π·Π°ΠΉΠΌΠ°Ρ” вСсь рядок +alert('ΠŸΡ€ΠΈΠ²Ρ–Ρ‚'); -alert('World'); // This comment follows the statement +alert('Π‘Π²Ρ–Ρ‚'); // Π¦Π΅ΠΉ ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€ Π·Π½Π°Ρ…ΠΎΠ΄ΠΈΡ‚ΡŒΡΡ після інструкції ``` -**Multiline comments start with a forward slash and an asterisk /* and end with an asterisk and a forward slash */.** +**Багаторядкові ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– ΠΏΠΎΡ‡ΠΈΠ½Π°ΡŽΡ‚ΡŒΡΡ Π· косої риски Π· Π·Ρ–Ρ€ΠΎΡ‡ΠΊΠΎΡŽ /* Ρ– Π·Π°ΠΊΡ–Π½Ρ‡ΡƒΡ”Ρ‚ΡŒΡΡ Π·Ρ–Ρ€ΠΎΡ‡ΠΊΠΎΡŽ Π· косою Ρ€ΠΈΡΠΊΠΎΡŽ */.** -Like this: +Ось Ρ‚Π°ΠΊ: ```js run -/* An example with two messages. -This is a multiline comment. +/* ΠŸΡ€ΠΈΠΊΠ»Π°Π΄ Π· Π΄Π²ΠΎΠΌΠ° повідомлСннями. +Π¦Π΅ багаторядковий ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€. */ -alert('Hello'); -alert('World'); +alert('ΠŸΡ€ΠΈΠ²Ρ–Ρ‚'); +alert('Π‘Π²Ρ–Ρ‚'); ``` -The content of comments is ignored, so if we put code inside /* ... */, it won't execute. +Вміст комСнтаря Ρ–Π³Π½ΠΎΡ€ΡƒΡ”Ρ‚ΡŒΡΡ, Ρ‚ΠΎΠΌΡƒ, якщо ΠΌΠΈ напишСмо всСрСдині /* ... */ ΠΊΠΎΠ΄, Π²Ρ–Π½ Π½Π΅ Π²ΠΈΠΊΠΎΠ½Π°Ρ”Ρ‚ΡŒΡΡ. -Sometimes it can be handy to temporarily disable a part of code: +Π”Π΅ΠΊΠΎΠ»ΠΈ Π²ΠΈΠ½ΠΈΠΊΠ°Ρ” Π½Π΅ΠΎΠ±Ρ…Ρ–Π΄Π½Ρ–ΡΡ‚ΡŒ тимчасово Π²ΠΈΠΌΠΊΠ½ΡƒΡ‚ΠΈ частину ΠΊΠΎΠ΄Ρƒ: ```js run -/* Commenting out the code -alert('Hello'); +/* Π—Π°ΠΊΠΎΠΌΠ΅Π½Ρ‚ΠΎΠ²Π°Π½ΠΈΠΉ ΠΊΠΎΠ΄ +alert('ΠŸΡ€ΠΈΠ²Ρ–Ρ‚'); */ -alert('World'); +alert('Π‘Π²Ρ–Ρ‚'); ``` -```smart header="Use hotkeys!" -In most editors, a line of code can be commented out by pressing the `key:Ctrl+/` hotkey for a single-line comment and something like `key:Ctrl+Shift+/` -- for multiline comments (select a piece of code and press the hotkey). For Mac, try `key:Cmd` instead of `key:Ctrl`. +```smart header="ВикористовуйтС ΠΊΠΎΠΌΠ±Ρ–Π½Π°Ρ†Ρ–Ρ— ΠΊΠ»Π°Π²Ρ–Ρˆ!" +Π’ Π±Ρ–Π»ΡŒΡˆΠΎΡΡ‚Ρ– Ρ€Π΅Π΄Π°ΠΊΡ‚ΠΎΡ€Ρ–Π², рядок ΠΊΠΎΠ΄Ρƒ ΠΌΠΎΠΆΠ½Π° Π·Π°ΠΊΠΎΠΌΠ΅Π½Ρ‚ΡƒΠ²Π°Ρ‚ΠΈ, Π½Π°Ρ‚ΠΈΡΠ½ΡƒΠ²ΡˆΠΈ ΠΊΠΎΠΌΠ±Ρ–Π½Π°Ρ†Ρ–ΡŽ ΠΊΠ»Π°Π²Ρ–Ρˆ `key:Ctrl+/`, Π° Ρ‰ΠΎΠ± Π·Π°ΠΊΠΎΠΌΠ΅Π½Ρ‚ΡƒΠ²Π°Ρ‚ΠΈ Π΄Π΅ΠΊΡ–Π»ΡŒΠΊΠ° рядків – Π²ΠΈΠ΄Ρ–Π»Ρ–Ρ‚ΡŒ ΠΏΠΎΡ‚Ρ€Ρ–Π±Π½Ρ– рядки Ρ– Π½Π°Ρ‚ΠΈΡΠ½Ρ–Ρ‚ΡŒ ΠΊΠΎΠΌΠ±Ρ–Π½Π°Ρ†Ρ–ΡŽ ΠΊΠ»Π°Π²Ρ–Ρˆ `key:Ctrl+Shift+/`. Для Mac, ΠΏΠΎΡ‚Ρ€Ρ–Π±Π½ΠΎ натискати ΠΊΠ»Π°Π²Ρ–ΡˆΡƒ `key:Cmd` Π·Π°ΠΌΡ–ΡΡ‚ΡŒ `key:Ctrl`. ``` -````warn header="Nested comments are not supported!" -There may not be `/*...*/` inside another `/*...*/`. +````warn header="Π’ΠΊΠ»Π°Π΄Π΅Π½Ρ– ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– Π½Π΅ ΠΏΡ–Π΄Ρ‚Ρ€ΠΈΠΌΡƒΡŽΡ‚ΡŒΡΡ!" +НС ΠΌΠΎΠΆΠ΅ Π±ΡƒΡ‚ΠΈ `/*...*/` всСрСдині `/*...*/`. -Such code will die with an error: +Π’Π°ΠΊΠΈΠΉ ΠΊΠΎΠ΄ "Π²ΠΌΡ€Π΅" Π· помилкою: ```js run no-beautify /* - /* nested comment ?!? */ + /* Π²ΠΊΠ»Π°Π΄Π΅Π½ΠΈΠΉ ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€ ?!? */ */ -alert( 'World' ); +alert( 'Π‘Π²Ρ–Ρ‚' ); ``` ```` -Please, don't hesitate to comment your code. +Π‘ΡƒΠ΄ΡŒ ласка, Π½Π΅ соромтСся ΠΊΠΎΠΌΠ΅Π½Ρ‚ΡƒΠ²Π°Ρ‚ΠΈ ваш ΠΊΠΎΠ΄. -Comments increase the overall code footprint, but that's not a problem at all. There are many tools which minify code before publishing to a production server. They remove comments, so they don't appear in the working scripts. Therefore, comments do not have negative effects on production at all. +ΠšΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– Π·Π±Ρ–Π»ΡŒΡˆΡƒΡŽΡ‚ΡŒ Ρ€ΠΎΠ·ΠΌΡ–Ρ€ ΠΊΠΎΠ΄Ρƒ, Π°Π»Π΅ Ρ†Π΅ Π½Π΅ ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌΠ°. Π„ Π±Π°Π³Π°Ρ‚ΠΎ інструмСнтів, які ΠΌΡ–Π½Ρ–Ρ„Ρ–ΠΊΡƒΡŽΡ‚ΡŒ ΠΊΠΎΠ΄ ΠΏΠ΅Ρ€Π΅Π΄ ΠΏΡƒΠ±Π»Ρ–ΠΊΠ°Ρ†Ρ–Ρ”ΡŽ Π½Π° Ρ€ΠΎΠ±ΠΎΡ‡ΠΈΠΉ сСрвСр. Π’ΠΎΠ½ΠΈ Π²ΠΈΠ΄Π°Π»ΡΡ‚ΡŒ ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ–, Ρ‚ΠΎΠΌΡƒ Ρ—Ρ… Π½Π΅ Π±ΡƒΠ΄Π΅ Π² Ρ€ΠΎΠ±ΠΎΡ‡ΠΈΡ… скриптах. Π’Π°ΠΊΠΈΠΌ Ρ‡ΠΈΠ½ΠΎΠΌ, ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ– ΠΆΠΎΠ΄Π½ΠΈΠΌ Ρ‡ΠΈΠ½ΠΎΠΌ Π½Π΅ Π²ΠΏΠ»ΠΈΠ²Π°ΡŽΡ‚ΡŒ Π½Π° Ρ€ΠΎΠ±ΠΎΡ‡ΠΈΠΉ ΠΊΠΎΠ΄. -Later in the tutorial there will be a chapter that also explains how to write better comments. +ΠŸΡ–Π·Π½Ρ–ΡˆΠ΅, Π² посібнику Π±ΡƒΠ΄Π΅ Ρ€ΠΎΠ·Π΄Ρ–Π» , який ΠΏΠΎΡΡΠ½ΠΈΡ‚ΡŒ, як ΠΊΡ€Π°Ρ‰Π΅ писати ΠΊΠΎΠΌΠ΅Π½Ρ‚Π°Ρ€Ρ–. pFad - Phonifier reborn

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