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ECMAScriptã§ææ¡ˆã•ã‚Œã¦ã„ã‚‹ arrow function ã«ã¤ã„ã¦ - hogehoge @teramako
ECMAScript6ã§ã¯ã€functionã®ä»£ã‚ã‚Šã«=>ã‚’ä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚‹ http://css.dzone.com/articles/exciting-future-javascript-0 ES6ã€ã ã„ã¶ãƒ‰ãƒ©ã‚¹ãƒ†ã‚£ãƒƒã‚¯ãªå¤‰æ›´ã«å‚¾ãã¤ã¤ã‚ã‚‹ã‚ˆã†ã€‚ES4ã®äºŒã®èˆžã«ãªã‚‰ãªã„ã¨ã„ã„ã®ã§ã™ãŒãƒ»ãƒ» 2012/04/03 BBCãŒãƒ¬ã‚¹ãƒãƒ³ã‚·ãƒ–ãƒ‡ã‚¶ã‚¤ãƒ³ã‚’æŽ¡ç”¨ - æœ¬æ—¥ã®HTML5ã¨ã‹æœ€æ–°æƒ…å ± - IT-Walker on hatena HTML5ã®MLã«ECMAScriptå…¨å¿«ãªè©±ã‚’åºƒã’ã‚‹ã®ã¯ã‚¢ãƒ¬ãªæ°—ãŒã—ãŸã®ã§ã€ã“ã¡ã‚‰ã§ãƒ’ãƒƒã‚½ãƒªã¨æ›¸ã“ã†ã¨æ€ã†ã€‚ ã¾ãšã€æœ¬å½“ã«ã€ŽES4ã®äºŒã®èˆžã«ãªã‚‰ãªã„ã€ã“ã¨ã‚’é¡˜ã†ã€‚ ã‚“ã§ã€arrow functionã“ã¨=>ã«é–¢ã—ã¦ã€ã¾ã ECMASCript6thã«å…¥ã‚‹ã“ã¨ãŒæ±ºã¾ã£ã¦ã„ã‚‹ã‚ã‘ã§ã¯ãªã„ã¨æ€ã†ã€‚è¨˜äº‹ã§ã‚‚ ECMAscript, 6th edition might brin
monjudoh 2012/04/05
JavaScript

ECMAScript6

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Function.prototype.bindã¯ä½•ãŒã„ã„ã®ã‹ - æž•ã‚’æ¬¹ã¦ã¦è´ã
ES5ã‹ã‚‰Function.prototype.bindãŒå…¥ã‚Šã¾ã—ãŸ. ã“ã‚Œã«æº–ãšã‚‹ã‚‚ã®ã¯æ•°ã€…ã®Frameworkã§æä¾›ã•ã‚Œç¶šã‘ã¦ããŸã®ã§, ã‚ã¾ã‚Šé¦´æŸ“ã¿ã®ç„¡ã•ã¯ãªã„ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹. ã“ã®Function.ptototype.bindã¯å®Ÿã¯ã¨ã¦ã‚‚é¢ç™½ã„ã®ã§. çµè«–ã‹ã‚‰è¨€ãˆã°, Function.prototype.bindã¯target functionã®Constructã«å®Œå…¨ã«ç§»è²ã™ã‚‹ã®ã§Constructorã®å¼•æ•°æŸç¸›ãŒè¡Œãˆã¾ã™. ã¾ãŸConstructor callã«å¯¾ã—ã¦é…åˆ—ã‚’æ¸¡ã™applyå½¢å¼ã®ã‚‚ã®ã¨ã„ã£ãŸapplyConstructorã‚„callConstructorã‚’bindã‚’ä½¿ã£ã¦å®Ÿè£…ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™. åŸºæœ¬ Function.prototype.bindã¯åŸºæœ¬çš„ã«ã¯thisã¨argumentsã«ç‰¹å®šã®å€¤ã‚’æŸç¸›ã™ã‚‹é–¢æ•°ã§ã™. bindã¯ç¬¬ä¸€å¼•æ•°ã«this, æ¬¡ã‹ã‚‰
monjudoh 2011/01/18
ã€ŽFunction.prototype.bindã¯å†…éƒ¨ã§Constructor callã«å¯¾ã—ã¦applyã®ã‚ˆã†ãªã“ã¨ã‚’ã—ã¦ã„ã‚‹!!ã€

JavaScript

ECMAScript5

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ChapterÂ 4.Â Functions - prog*sig
function expressions("é–¢æ•°å¼") and function declarations("é–¢æ•°å®£è¨€"). â– Background Functions(é–¢æ•°)ã¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ functionãŒã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã§ã‚ã‚‹ã“ã¨ã¯æ¬¡ã®ã“ã¨ã‹ã‚‰ã‚‚è¦‹ãˆã‚‹ã¨æ€ã„ã¾ã™ã€‚ new Function()ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã‚’ä½¿ã†ã“ã¨ã§é–¢æ•°ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ä½œæˆã§ãã‚‹ãŒã€ ã“ã‚Œã¯evalçš„ãªæ„Ÿã˜(Avoiding eval())ãªã®ã§é¿ã‘ã‚‹ã¹ãã§ã‚ã‚‹ã—ã€ä½•ã‚ˆã‚Šæ›¸ãã«ãã„ã§ã™ã€‚ // antipattern // for demo purposes only var add = new Function('a, b', 'return a + b'); add(1, 2); // returns 3 ã‚‚ã†ä¸€ã¤é–¢æ•°ã§é‡è¦ãªã“ã¨ã¯ã‚¹ã‚³ãƒ¼ãƒ—ã‚’æä¾›ã™ã‚‹ã¨ã„ã†ã“ã¨ã§ã™ã€‚ JavaScriptã¯ifã‚„forãªã©
monjudoh 2011/01/04
JavaScript

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peter.michaux.ca - Lazy Function Definition Pattern
Lazy Function Definition Pattern Published August 11, 2007 in JavaScript This article examines a functional-programming design pattern I've been calling Lazy Function Definition. I've repeatedly found this pattern useful in JavaScript especially when writing cross-browser libraries that are efficient at runtime. Warm-Up Probl em Write a function foo that returns a Date object that holds the time th
monjudoh 2010/05/30
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monjudoh 2010/05/25
ã€ŽãŸã ã—ã€IE ã§ã¯ Function Expression ã«é–¢æ•°åã‚’ä»˜ã‘ã‚‹ã¨å¤–ã®ã‚¹ã‚³ãƒ¼ãƒ—ã«æ¼ã‚Œã¡ã‚ƒã†ã®ã§ä½¿ã„ã¾ã›ã‚“ã€

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Practical Functional JavaScript: Code Samples
Practical Functional JavaScript: Code Samples These are the code samples from my Ajax Experience 2008 talk, Practical Functional JavaScript. Click on a line to view (and run) that sample. I've written out some of what I said about the samples in the first section. Check back later, and I'll update the rest.â€” Oliver Steele, 2 Oct 2008, Amherst, MA 1. Function Objects Callbacks "> Basic callback"> T
monjudoh 2008/10/26
JavaScript

OOP

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monjudoh 2008/09/28
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JavaScript

tips

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Learning Advanced JavaScript
Double-click the code to edit the tutorial and try your own code. This tutorial contains code and discussion from the upcoming book Secrets of the JavaScript Ninja by John Resig. Our Goal Goal: To be able to understand this function: // The .bind method from Prototype.js Function.prototype.bind = function(){ var fn = this, args = Array.prototype.slice.call(arguments), object = args.shift(); return
monjudoh 2008/09/25
John Resigã®ãƒ—ãƒ¬ã‚¼ãƒ³è³‡æ–™ã€‚ã‚³ãƒ¼ãƒ‰ã®ç·¨é›†ãƒ»å®Ÿè¡ŒãŒã§ãã‚‹ã€‚è‡ªåˆ†ã§éƒ¨åˆ†å®Ÿè£…ã—ã¦è©¦ã—ã¦ã¿ã¦ãçš„ãªã®ã‚‚ã‚ã‚‹ã€‚

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