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| Building native extensions. This could take a while... | |
| ERROR: Error installing jekyll: | |
| ERROR: Failed to build gem native extension. | |
| /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb | |
| creating Makefile | |
| make "DESTDIR=" | |
| compiling porter.c | |
| porter.c:359:27: warning: '&&' within '||' [-Wlogical-op-parentheses] |
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| #fancybox-left-ico { | |
| left: -45px; | |
| } | |
| #fancybox-right-ico { | |
| right: -45px; | |
| left: auto; | |
| } | |
| .fancybox-nav span { | |
| visibility:visible; | |
| } |
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| // && | |
| console.debug(true && true);// true | |
| console.debug(true && false);// false | |
| console.debug(false && true);// false | |
| console.debug(false && false);// false | |
| // || | |
| console.debug(true || true);// true | |
| console.debug(true || false);// true | |
| console.debug(false || true);// true |
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| function Rectangle(w, h){ | |
| this.width = w; | |
| this.height = h; | |
| } | |
| Rectangle.prototype.area = function(){ | |
| return this.width * this.height; | |
| } | |
| var r = new Rectangle(); |
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| // コンストラクタ | |
| function Circle(radius){ | |
| // インスタンスプロパティ | |
| this.r = radius; | |
| } | |
| // クラスプロパティ | |
| Circle.PI = 3.14; | |
| var c = new Circle(5.0); |
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| // コンストラクタ | |
| function Circle(){} | |
| // インスタンスメソッド | |
| Circle.prototype.area = function(val){ alert(val) }; | |
| // インスタンスを生成する | |
| var c = new Circle(); | |
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| function ImmutableRectangle(w){ | |
| this.getWidth = function(){ | |
| return w; | |
| } | |
| } | |
| var r = new ImmutableRectangle(100); | |
| console.debug(r.getWidth());// 100 |
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| function ImmutableRectangle(){ | |
| this.getWidth = function(w){ | |
| console.debug('上書きできるぜ!'); | |
| } | |
| } | |
| ImmutableRectangle.prototype.getWidth = function(w){ | |
| console.debug('prototypeの定義だぜ', w); | |
| } | |
| var r = new ImmutableRectangle(); |
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| function ImmutableRectangle(){} | |
| ImmutableRectangle.prototype.getWidth = function(w){ | |
| console.debug('prototypeの定義だぜ', w); | |
| } | |
| var r = new ImmutableRectangle(); | |
| r.getWidth(100); |
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| console.debug('正解!'.toString());// 正解! | |
| String.prototype.toString = function(){ | |
| return 'toStringを上書きしました!'; | |
| } | |
| console.debug('正解!'.toString());// toStringを上書きしました! |
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