[B! JavaScript][è¨å®š] ihokã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

ihok id:ihok

JavaScriptã¨è¨å®šã«é–¢ã™ã‚‹ihokã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ãƒ–ãƒ©ã‚¦ã‚¶ä¸Šã§ãƒ‡ãƒãƒƒã‚°ã™ã‚‹ã¨ãã«ä½¿ãˆã‚‹ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯
ã‚¦ã‚§ãƒ–ä¸Šã§JavaScriptã‚’å®Ÿè¡Œã—ã¦ãƒã‚°ãŒç™ºç”Ÿã—ãŸå ´åˆã€ãƒ–ãƒ©ã‚¦ã‚¶ã«å†…è”µã•ã‚Œã¦ã„ã‚‹é–‹ç™ºè€…ãƒ„ãƒ¼ãƒ«ã‚’ä½¿ã£ã¦ãƒ‡ãƒãƒƒã‚°ã™ã‚‹ã“ã¨ãŒã‚ˆãã‚ã‚Šã¾ã™ã€‚ãã†ã—ãŸãƒ–ãƒ©ã‚¦ã‚¶ã§ã®ãƒ‡ãƒãƒƒã‚°ã«ãŠã„ã¦å½¹ç«‹ã¤ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚’Netflixã§ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã®é–‹ç™ºã«æºã‚ã£ã¦ã„ã‚‹ã‚¢ãƒ©ãƒ³ãƒ»ãƒŽãƒ«ãƒã‚¦ã‚¢ãƒ¼ã•ã‚“ãŒã¾ã¨ã‚ã¦ã„ã¾ã™ã€‚ 67 Weird Debugging Tricks Your Browser Doesn't Want You to Know | Alan Norbauer https://alan.norbauer.com/articles/browser-debugging-tricks â—†é«˜åº¦ãªæ¡ä»¶ä»˜ããƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆ é–‹ç™ºè€…ãƒ„ãƒ¼ãƒ«ã®ã€Œã‚½ãƒ¼ã‚¹ã€ã‚¿ãƒ–ã«ã¯ãƒ‡ãƒãƒƒã‚¬ãƒ¼ãŒç”¨æ„ã•ã‚Œã¦ãŠã‚Šã€JavaScriptã®ä»»æ„ã®è¡Œã«ãƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆã‚’è¨å®šã™ã‚‹ã“ã¨ã§å®Ÿè¡Œã‚’ä¸€æ™‚åœæ¢ã—ã¦å¤‰æ•°ã‚„ã‚³ãƒ¼ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã®ä¸èº«ã‚’ç¢ºèªã§ãã¾ã™ã€‚ãƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆã‚’
ihok 2023/11/18
dom

ãƒ–ãƒ©ã‚¦ã‚¶

è¨å®š

ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯

Chrome

javascript

ã‚³ãƒ¼ãƒ‰

browser

æŠ€è¡“
ãƒªãƒ³ã‚¯
ã€ŒãŒã‚“ã°ã‚‰ãªã„TypeScriptã€ã®ãŸã‚ã®ç¾å®Ÿçš„ãªè¨å®šã‚’è€ƒãˆã‚‹ â”€ 4ãƒ¬ãƒ™ãƒ«ã®åŽ³ã—ã•ã‚’ä½¿ã„åˆ†ã‘ã¦TypeScriptç–²ã‚Œã‚’å…‹æœã—ã‚ˆã†ï¼ï½œãƒã‚¤ã‚¯ãƒ©ã‚¹è»¢è·ãƒ»æ±‚äººæƒ…å ±ã‚µã‚¤ãƒˆ AMBIï¼ˆã‚¢ãƒ³ãƒ“ï¼‰
ãƒã‚¤ã‚¯ãƒ©ã‚¹æ±‚äººTOP ITè¨˜äº‹ä¸€è¦§ã€ŒãŒã‚“ã°ã‚‰ãªã„TypeScriptã€ã®ãŸã‚ã®ç¾å®Ÿçš„ãªè¨å®šã‚’è€ƒãˆã‚‹Â â”€Â 4ãƒ¬ãƒ™ãƒ«ã®åŽ³ã—ã•ã‚’ä½¿ã„åˆ†ã‘ã¦TypeScriptç–²ã‚Œã‚’å…‹æœã—ã‚ˆã†ï¼ ã€ŒãŒã‚“ã°ã‚‰ãªã„TypeScriptã€ã®ãŸã‚ã®ç¾å®Ÿçš„ãªè¨å®šã‚’è€ƒãˆã‚‹Â â”€Â 4ãƒ¬ãƒ™ãƒ«ã®åŽ³ã—ã•ã‚’ä½¿ã„åˆ†ã‘ã¦TypeScriptç–²ã‚Œã‚’å…‹æœã—ã‚ˆã†ï¼ ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢Hubã§ã¯2019å¹´ã«ã€ŒãŒã‚“ã°ã‚‰ãªã„TypeScriptã€ã‚’ç´¹ä»‹ã—ã¾ã—ãŸã€‚JavaScriptã«é™çš„åž‹ä»˜ã‘ãªã©ã‚’æä¾›ã™ã‚‹TypeScriptã¯ã€ä»Šã§ã¯å®Ÿãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«æŽ¡ç”¨ã•ã‚Œã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã«ãªã£ã¦ã„ã¾ã™ã€‚ãã“ã§ç¾å®Ÿçš„ãªTypeScriptã®è¨å®šã‚’ã€è—¤å¾éƒŽï¼ˆgfxï¼‰ã•ã‚“ã«è§£èª¬ã—ã¦ã‚‚ã‚‰ã„ã¾ã—ãŸã€‚ 2021å¹´ã®ç¾åœ¨ã€TypeScriptã®ä¾¡å€¤ã¯ã¾ã™ã¾ã™åºƒãèªã‚ã‚‰ã‚Œã‚‹ã¨ã“ã‚ã¨ãªã‚Šã€å¤šãã®JavaScript ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãŒTypeScriptã§é–‹ç™ºã•ã‚Œã‚‹ã‚ˆã†ã«ãªã£ã¦ãã¾ã—ãŸã€‚ã¾ãŸT
ihok 2021/08/27
è¨å®š

ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆ

javascript
ãƒªãƒ³ã‚¯
æ–°æ„Ÿè¦šï¼ãƒ¡ã‚½ãƒƒãƒ‰ãƒã‚§ãƒ¼ãƒ³ã§ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚¹ãƒ©ã‚¹ãƒ©æ›¸ã‘ã‚‹ã€ŒTween24.jsã€ã‚’ä½œã‚Šã¾ã—ãŸ - ICS MEDIA
æ–°æ„Ÿè¦šï¼ãƒ¡ã‚½ãƒƒãƒ‰ãƒã‚§ãƒ¼ãƒ³ã§ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚¹ãƒ©ã‚¹ãƒ©æ›¸ã‘ã‚‹ã€ŒTween24.jsã€ã‚’ä½œã‚Šã¾ã—ãŸ ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½œã‚‹æ™‚ã«ã€ã€Œæ€ã„ã¤ã„ãŸæ¼”å‡ºã‚’ã™ãã«å®Ÿè£…ã—ãŸã„ã€ã€Œé ã®ä¸ã§ã¯ã§ãã¦ã„ã‚‹ã®ã«ã€ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã™ã‚‹ã®ãŒé¢å€’ã€ã¨æ€ã£ãŸã“ã¨ã¯ã‚ã‚Šã¾ã›ã‚“ã‹ï¼Ÿã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ä½œæˆã«ã¯ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½¿ç”¨ã™ã‚‹ã“ã¨ãŒå¤šã„ã¨æ€ã„ã¾ã™ãŒã€ä½¿ã„æ–¹ã‚’èª¿ã¹ã¦è¦šãˆã¦ã€ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‹ã‚‰ã‚³ãƒ”ãƒšã—ãŸã‚Šã€ã²ãŸã™ã‚‰ã‚¿ã‚¤ãƒ”ãƒ³ã‚°ã‚’ã—ã¦â€¦ ç§ã¯ã“ã‚Œã‚‰ã®å•é¡Œã‚’è§£æ±ºã™ã‚‹ãŸã‚ã«ã€ã€ŒTween24ã€ã¨ã„ã†ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚Šã¾ã—ãŸã€‚Tween24ã¯ãƒ¡ã‚½ãƒƒãƒ‰ãƒã‚§ãƒ¼ãƒ³ã§è¨˜è¿°ã™ã‚‹ã®ãŒç‰¹å¾´ã§ã€ãŸã£ãŸ1è¡Œã§ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ãŒå®Ÿè£…ã§ãã¾ã™ã€‚ä¾å˜ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚‚ãªãã€å˜ä½“ã§å‹•ä½œã—ã¾ã™ã€‚ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®å¤šãã¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆåž‹ã§ãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚’æŒ‡å®šã™ã‚‹ãŸã‚ã‚¿ã‚¤ãƒ”ãƒ³ã‚°ãŒå¤šããªã‚ŠãŒã¡ã§ã™ãŒã€ãƒ¡ã‚½ãƒƒãƒ‰ãƒã‚§ãƒ¼ãƒ³ã§ã‚ã‚Œã°ã‚¨ãƒ‡ã‚£ã‚¿ãƒ¼ã®ã‚³ãƒ¼ãƒ‰è£œå®Œæ©Ÿèƒ½ã§ã‚¹ãƒ©ã‚¹ãƒ©ã¨è¨˜è¿°ã§ãã¾ã™ã€‚ ãã®ä»–ã«ã‚‚ã€ãƒ¡ã‚½
ihok 2021/04/10
ã‚¢ãƒ‹ãƒ¡ãƒ¼ã‚·ãƒ§ãƒ³

ãƒ©ã‚¤ãƒ–ãƒ©ãƒª

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

è¨å®š

js

animation

css

javascript
ãƒªãƒ³ã‚¯
JavaScriptã®å°‘ã—ç‹¬ç‰¹ãªã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ã¿ãŸ - Rails Webook
Photo by Flickr: slworking2's Photostream æ—¢ã«Javaã‚„PHPãªã©ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘è¨€èªžã‚’ç”Ÿæ¥ã¨ã—ã¦ã‚„ã£ã¦ã„ã‚‹ãŒã€ãã®æ„Ÿè¦šã§JavaScriptã‚’å°‘ã—æ‰±ã£ã¦ã„ã‚‹ã¦ã€ã„ã¾ã„ã¡JavaScriptåˆ†ã‹ã‚‰ãªã„ã¨ã„ã†æ–¹ã‚’å¯¾è±¡ã«ã€ãã‚Œã‚‰ã®ãƒ—ãƒã‚°ãƒ©ãƒ è¨€èªžã¨ã¯é•ã†ã€ã€Œå°‘ã—ç‹¬ç‰¹ãªJavaScriptã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã€ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ ç›®æ¬¡ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ä½œæˆ ãƒ—ãƒãƒ‘ãƒ†ã‚£ã®å®šç¾©ã¨ä»£å…¥ ãƒ—ãƒãƒ‘ãƒ†ã‚£ã®å‰Šé™¤ ã‚¢ã‚¯ã‚»ã‚µãƒ—ãƒãƒ‘ãƒ†ã‚£ï¼ˆgetter / setter) ã‚¯ãƒ©ã‚¹å®šç¾© ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿å¼•æ•° ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã®å®šç¾© ã‚¯ãƒ©ã‚¹ãƒ—ãƒãƒ‘ãƒ†ã‚£ã¨ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã®å®šç¾© ã‚¯ãƒ©ã‚¹ã®ç¶™æ‰¿ ã‚¯ãƒ©ã‚¹ãƒ—ãƒãƒ‘ãƒ†ã‚£ã¨ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã®ç¶™æ‰¿ 1. ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ä½œæˆå¤§ã‹ã£ã“({})ã§Objectã‚¯ãƒ©ã‚¹ã‚’ä½œæˆã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã¾ãŸã€newæ¼”ç®—åã§ç‰¹å®šã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ä½œæˆã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ //
ihok 2015/05/10
console

javascript

ã‚¯ãƒ©ã‚¹

ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

è¨å®š

log

æ•™è‚²
ãƒªãƒ³ã‚¯
jQueryã§ç”»é¢é·ç§»ã®ãªã„ã‚µã‚¤ãƒˆã‚’ä½œã‚ã†ã¨ã—ãŸã¨ãã®ã¡ã‚‡ã£ã¨ã—ãŸãƒ¡ãƒ¢
jQueryã§ç”»é¢é·ç§»ã®ãªã„ã‚µã‚¤ãƒˆã‚’ä½œã‚ã†ã¨ã—ãŸã¨ãã®ã¡ã‚‡ã£ã¨ã—ãŸãƒ¡ãƒ¢ jQueryã‚’ä½¿ã£ã¦ç”»é¢é·ç§»ã®ãªã„ã‚µã‚¤ãƒˆã‚’ä½œã‚ã†ã¨ã—ãŸã¨ãã®ã¡ã‚‡ã£ã¨ã—ãŸãƒ¡ãƒ¢ã§ã™ã€‚ ã‚µãƒ¼ãƒãƒ¼ã¨ã‚„ã‚Šå–ã‚Šã‚’ã™ã‚‹ã€Ajaxçš„ãªã“ã¨ã¯æ›¸ã„ã¦ã„ãªã„ã®ã§ã‚ã—ã‹ã‚‰ãšã€‚ æŠ•ç¨¿æ—¥2012å¹´02æœˆ03æ—¥ æ›´æ–°æ—¥2012å¹´02æœˆ03æ—¥ ãƒªãƒ³ã‚¯ï¼ˆhrefï¼‰ã‚’ç„¡åŠ¹ã«ã™ã‚‹ ç”»é¢é·ç§»ã®ãªã„Webã‚µã‚¤ãƒˆã§ã‚‚JSã®ãªã„ç’°å¢ƒã‚„SEOã‚‚è€ƒæ…®ã—ã¦ href ã«ãƒªãƒ³ã‚¯å…ˆã‚’è¨å®šã—ãŸã„ã¨ããŒã‚ã‚Šã¾ã™ã€‚ hmtl <a href="hoge.html" id="btn">ãƒœã‚¿ãƒ³</a> ã“ã®ã‚ˆã†ãªå ´åˆã ã¨ #btn ã«ã‚¤ãƒ™ãƒ³ãƒˆã‚’è¨å®šã—ã¦ã‚‚ç”»é¢é·ç§»ã—ã¦ã—ã¾ã„ã¾ã™ã€‚ click ã‚¤ãƒ™ãƒ³ãƒˆã«ã€Œe.preventDefault()ã€ã¨è¨˜è¿°ã™ã‚Œã°hrefã‚’ç„¡åŠ¹ã«ã«ãªã‚Šç”»é¢é·ç§»ãŒè¡Œã‚ã‚Œã¾ã›ã‚“ã€‚ javascript $('#btn').click(function(e){
ihok 2012/02/04
test

Html

javascript

jQuery

è¨å®š

webåˆ¶ä½œ

ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ»IT

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

ç”»é¢é·ç§»

tips
ãƒªãƒ³ã‚¯
1