From 0fa71491cfd2142152913f50edae94a42981802f Mon Sep 17 00:00:00 2001 From: Siddharth Kshetrapal Date: Mon, 9 Oct 2017 15:47:03 +0530 Subject: [PATCH] Change foobar to slightly better variables --- doc/en/object/general.md | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/doc/en/object/general.md b/doc/en/object/general.md index 5ee2e0de..864dda5a 100644 --- a/doc/en/object/general.md +++ b/doc/en/object/general.md @@ -6,9 +6,9 @@ Everything in JavaScript acts like an object, with the only two exceptions being false.toString(); // 'false' [1, 2, 3].toString(); // '1,2,3' - function Foo(){} - Foo.bar = 1; - Foo.bar; // 1 + function sayHello(){} + sayHello.bar = 1; + sayHello.bar; // 1 A common misconception is that number literals cannot be used as objects. That is because a flaw in JavaScript's parser tries to parse the *dot @@ -32,25 +32,25 @@ Using an object literal - `{}` notation - it is possible to create a plain object. This new object [inherits](#object.prototype) from `Object.prototype` and does not have [own properties](#object.hasownproperty) defined. - var foo = {}; // a new empty object + var names = {}; // a new empty object - // a new object with a 'test' property with value 12 - var bar = {test: 12}; + // a new object with a 'name' property with value 'Rob' + var rob = {name: 'Rob'}; ### Accessing Properties The properties of an object can be accessed in two ways, via either the dot notation or the square bracket notation. - var foo = {name: 'kitten'} - foo.name; // kitten - foo['name']; // kitten + var pet = {name: 'kitten'} + pet.name; // kitten + pet['name']; // kitten var get = 'name'; - foo[get]; // kitten + pet[get]; // kitten - foo.1234; // SyntaxError - foo['1234']; // works + pet.1234; // SyntaxError + pet['1234']; // works The notations work almost identically, with the only difference being that the square bracket notation allows for dynamic setting of properties and @@ -63,13 +63,13 @@ operator; setting the property to `undefined` or `null` only removes the *value* associated with the property, but not the *key*. var obj = { - bar: 1, - foo: 2, - baz: 3 + a: 1, + b: 2, + c: 3 }; - obj.bar = undefined; - obj.foo = null; - delete obj.baz; + obj.a = undefined; + obj.b = null; + delete obj.c; for(var i in obj) { if (obj.hasOwnProperty(i)) { @@ -77,7 +77,7 @@ operator; setting the property to `undefined` or `null` only removes the } } -The above outputs both `bar undefined` and `foo null` - only `baz` was +The above outputs both `a undefined` and `b null` - only `c` was removed and is therefore missing from the output. ### Notation of Keys