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Just Like You Do
Yahoo! PRESS ã‹ã‚‰å‡ºç‰ˆã•ã‚Œã¦ã„ã‚‹ High Perfomance JavaScript ã‚’èªã‚“ã ãƒ¡ãƒ¢æ›¸ãã§ã™ã€‚ Chapter 1: Loading and Execution JavaScript ã®ã‚³ãƒ¼ãƒ‰ã‚’èªã¿è¾¼ã‚€ã¨ãã¯ã€ãƒ–ãƒ©ã‚¦ã‚¶ã¯ <script> ã‚¿ã‚°ã®ä¸ã§ DOM ã‚’æ›¸ãæ›ãˆã‚‹ã‹ã©ã†ã‹ã‚’äºˆã‚åˆ¤æ–ã§ããªã„ã®ã§ã€åˆ¥ã‚¹ãƒ¬ãƒƒãƒ‰ã«ã¯ã§ããªã„ã€‚ IE ã ã¨ <script> ã‚¿ã‚°ã« "deferred" å±žæ€§ã‚’ä»˜ã‘ã‚‹ã“ã¨ã§èªã¿è¾¼ã¿ã‚’é…å»¶ã•ã›ã‚‰ã‚Œã‚‹ã€‚ loadScript(url, callback) é–¢æ•°ã ã‘ã‚’å…ˆã«é€ã‚Šå‡ºã—ã¦ã‚ã’ã¦ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚³ãƒ¼ãƒ‰ã®æœ¬ä½“ã¯å¾Œã‹ã‚‰é€ä¿¡ã™ã‚‹ã‚ˆã†ã«ã™ã‚‹ã€‚YUI().use() ãªã©ã€‚ Chapter 2: Data Access Literal values, Variables, Array it ems, Object members ã¸ã®ã‚¢ã‚¯
nazomikan 2011/05/22
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IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
nazomikan 2011/05/22
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jQuery ã‚’é«˜é€Ÿã«ä½¿ã† CSS ã‚»ãƒ¬ã‚¯ã‚¿ã®æ›¸ãæ–¹ - ã¦ã£ãç…®ãƒ–ãƒã‚°
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nazomikan 2011/05/22
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Javascriptã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’ã‚ã’ã‚‹ãƒã‚¤ãƒ³ãƒˆ | Branberyheag Lab
30 best practices to boost your web application performance â€“ Web User Interface Architect JavaScriptã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ç‰ã‚’ æ›¸ãä¸Šã§ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ç¢ºèªäº‹é …ï¼“ï¼ã€‚ è‡ªåˆ†ã¸ã®ã‚¤ãƒ³ãƒ—ãƒƒãƒˆï¼†ãƒ¡ãƒ¢ãŒã¦ã‚‰ã«ã¡ã‚‡ã£ã¨ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ JavaScript DOMã®æ“ä½œã¯å¯èƒ½ãªé™ã‚Šã‚„ã‚ã‚‹ eval, new Function() ã¯é…ã„ã®ã§å¯èƒ½ãªé™ã‚Šä½¿ã‚ãªã„ withã‚¹ãƒ†ãƒ¼ãƒˆãƒ¡ãƒ³ãƒˆã‚’ä½¿ã‚ãªã„ï¼ˆä½¿ã£ãŸäº‹ãªã„ã§ã™ãŒï¼‰ for-in æ–‡ã§ã¯ãªã for æ–‡ã‚’ä½¿ã†ã€‚ ãƒ«ãƒ¼ãƒ—ã®ä¸ã§ try-catch ã§ã¯ãªãã€try-catchã®ä¸ã«ãƒ«ãƒ¼ãƒ—ã‚’ç½®ã ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ã‚’ãªã‚‹ã¹ãä½¿ã‚ãªã„ aaa+=â€™AAAâ€™;aaa+=â€™BBBâ€™; ã®æ–¹ãŒ aaa=â€™AAAâ€™+'BBBâ€™;ã‚ˆã‚Šé€Ÿã„ è¤‡æ•°ã®æ–‡å—åˆ—é€£çµã«ã¯ã€Array ã§æ–‡å—
nazomikan 2011/03/09
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kyo ago on Twitter: "ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã«ã‹ã‘ã¦ã¿ãŸã‘ã©ã€95%ãŒappendChildï¼¼(^o^)ï¼ã€€ãƒã‚¤ãƒ†ã‚£ãƒ–ãƒ¡ã‚½ãƒƒãƒ‰ã®é«˜é€ŸåŒ–ã¨ã‹ã©ã†ã—ã‚ã¨ã€‚ã€‚ã€‚"
nazomikan 2011/03/07
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nazomikan 2011/03/07
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console.time('nodeList'); var elems = document.getElementsByTagName('*'); for(var i=0;i<1000;i++) for(var j=0;j<elems.length;j++) elems[j]; console.timeEnd('nodeList'); console.time('array'); var elems = Array.slice(document.getElementsByTagName('*')); for(var i=0;i<1000;i++) for(var j=0;j<elems.length;j++) elems[j]; console.timeEnd('array'); console.time('length'); var elems = document.getElement
nazomikan 2011/02/21
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to Array by slice and concat Â· jsPerf
JavaScript performance comparison Revision 2 of this test case created by on 2010-11-26 Preparation code <script> var it ems = [1, 2, 3, 4, 5], slice = Array.prototype.slice, concat = Array.prototype.concat; </script> Test runner Warning! For accurate results, please disable Firebug before running the tests. (Why?) Java applet disabled.
nazomikan 2011/02/13
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nazomikan 2011/02/06
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The Search for a Trusted ë©”ì´ì €ì‚¬ì´íŠ¸: A World of Thrills, Security, and Immersive GamingdErsPOId - December 1, 2023In the dynamic world of online entertainment, the quest for finding a trustworthy ë©”ì´ì €ì‚¬ì´íŠ¸, or major site, is akin to navigating through a labyrinthine digital jungle. Much like the adventurers of old scouring for hidden treasures, modern-day netizens are on the lookout for that one platform
nazomikan 2011/02/06
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