From 6136efa772228ce6ac6d6c98f33efd1b864fab0e Mon Sep 17 00:00:00 2001 From: Sergey Isaev Date: Tue, 26 Apr 2016 03:58:30 +0400 Subject: Fix url for language specifications --- typescript.html.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'typescript.html.markdown') diff --git a/typescript.html.markdown b/typescript.html.markdown index 47e41405..260e1d55 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -171,7 +171,7 @@ of a multiline string`; ## Further Reading * [TypeScript Official website] (http://www.typescriptlang.org/) - * [TypeScript language specifications (pdf)] (http://go.microsoft.com/fwlink/?LinkId=267238) + * [TypeScript language specifications (pdf)] (https://github.com/Microsoft/TypeScript/blob/master/doc/spec.md) * [Anders Hejlsberg - Introducing TypeScript on Channel 9] (http://channel9.msdn.com/posts/Anders-Hejlsberg-Introducing-TypeScript) * [Source Code on GitHub] (https://github.com/Microsoft/TypeScript) * [Definitely Typed - repository for type definitions] (http://definitelytyped.org/) -- cgit v1.2.3 From 343b7e20cad729e35f86a0563d943f68903f9752 Mon Sep 17 00:00:00 2001 From: Sergey Isaev Date: Tue, 26 Apr 2016 03:59:06 +0400 Subject: Update typescript.html.markdown --- typescript.html.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'typescript.html.markdown') diff --git a/typescript.html.markdown b/typescript.html.markdown index 260e1d55..21f1ce7d 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -171,7 +171,7 @@ of a multiline string`; ## Further Reading * [TypeScript Official website] (http://www.typescriptlang.org/) - * [TypeScript language specifications (pdf)] (https://github.com/Microsoft/TypeScript/blob/master/doc/spec.md) + * [TypeScript language specifications] (https://github.com/Microsoft/TypeScript/blob/master/doc/spec.md) * [Anders Hejlsberg - Introducing TypeScript on Channel 9] (http://channel9.msdn.com/posts/Anders-Hejlsberg-Introducing-TypeScript) * [Source Code on GitHub] (https://github.com/Microsoft/TypeScript) * [Definitely Typed - repository for type definitions] (http://definitelytyped.org/) -- cgit v1.2.3 From d9caa2436e6ebe63e9b2287725c4e104ddcb88cb Mon Sep 17 00:00:00 2001 From: Gabriel Gomes Date: Sun, 26 Jun 2016 10:03:09 -0300 Subject: Added typescript-pt.html.markdown (#1699) * link for learning of javascript adjusted * Added typescript-pt.html.markdown --- typescript.html.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'typescript.html.markdown') diff --git a/typescript.html.markdown b/typescript.html.markdown index 21f1ce7d..1d712369 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -9,7 +9,7 @@ TypeScript is a language that aims at easing development of large scale applicat TypeScript adds common concepts such as classes, modules, interfaces, generics and (optional) static typing to JavaScript. It is a superset of JavaScript: all JavaScript code is valid TypeScript code so it can be added seamlessly to any project. The TypeScript compiler emits JavaScript. -This article will focus only on TypeScript extra syntax, as opposed to [JavaScript] (../javascript/). +This article will focus only on TypeScript extra syntax, as opposed to [JavaScript](javascript.html.markdown). To test TypeScript's compiler, head to the [Playground] (http://www.typescriptlang.org/Playground) where you will be able to type code, have auto completion and directly see the emitted JavaScript. -- cgit v1.2.3 From 03bab0e47b38c113e26c064b11cbd171675214a1 Mon Sep 17 00:00:00 2001 From: Thien Do Date: Mon, 21 Nov 2016 02:31:22 +0700 Subject: Use ts for typescript syntax --- typescript.html.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'typescript.html.markdown') diff --git a/typescript.html.markdown b/typescript.html.markdown index 1d712369..204b501a 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -13,7 +13,7 @@ This article will focus only on TypeScript extra syntax, as opposed to [JavaScri To test TypeScript's compiler, head to the [Playground] (http://www.typescriptlang.org/Playground) where you will be able to type code, have auto completion and directly see the emitted JavaScript. -```js +```ts // There are 3 basic types in TypeScript var isDone: boolean = false; var lines: number = 42; -- cgit v1.2.3 From ac99d3f1cba2d49a7b2560fe338f6a14044a6eaa Mon Sep 17 00:00:00 2001 From: Thien Do Date: Mon, 21 Nov 2016 03:41:16 +0700 Subject: [typescript/en-us] Clarify function section in typescript (#2575) * Clarify function section in typescript * one-liner to braceless --- typescript.html.markdown | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'typescript.html.markdown') diff --git a/typescript.html.markdown b/typescript.html.markdown index 1d712369..23e0bab4 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -46,10 +46,12 @@ function bigHorribleAlert(): void { var f1 = function(i: number): number { return i * i; } // Return type inferred var f2 = function(i: number) { return i * i; } +// "Fat arrow" syntax var f3 = (i: number): number => { return i * i; } -// Return type inferred +// "Fat arrow" syntax with return type inferred var f4 = (i: number) => { return i * i; } -// Return type inferred, one-liner means no return keyword needed +// "Fat arrow" syntax with return type inferred, braceless means no return +// keyword needed var f5 = (i: number) => i * i; // Interfaces are structural, anything that has the properties is compliant with -- cgit v1.2.3 From 1ac2f69479caef3218e3bf8ab6d88351af9ed3eb Mon Sep 17 00:00:00 2001 From: bezigon Date: Thu, 25 May 2017 18:35:08 +0300 Subject: Update typescript.html.markdown (#2738) https://github.com/adambard/learnxinyminutes-docs/issues/2737 --- typescript.html.markdown | 65 +++++++++++++++++++++++++++--------------------- 1 file changed, 37 insertions(+), 28 deletions(-) (limited to 'typescript.html.markdown') diff --git a/typescript.html.markdown b/typescript.html.markdown index d3ca0786..ef37182d 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -15,23 +15,32 @@ To test TypeScript's compiler, head to the [Playground] (http://www.typescriptla ```ts // There are 3 basic types in TypeScript -var isDone: boolean = false; -var lines: number = 42; -var name: string = "Anders"; +let isDone: boolean = false; +let lines: number = 42; +let name: string = "Anders"; + +// But you can omit the type annotation if the variables are derived from explicit literals +let isDone = false; +let lines = 42; +let name = "Anders"; // When it's impossible to know, there is the "Any" type -var notSure: any = 4; +let notSure: any = 4; notSure = "maybe a string instead"; notSure = false; // okay, definitely a boolean +// Use const keyword for constant variables +const numLivesForCat = 9; +numLivesForCat = 1; // Error + // For collections, there are typed arrays and generic arrays -var list: number[] = [1, 2, 3]; +let list: number[] = [1, 2, 3]; // Alternatively, using the generic array type -var list: Array = [1, 2, 3]; +let list: Array = [1, 2, 3]; // For enumerations: -enum Color {Red, Green, Blue}; -var c: Color = Color.Green; +enum Color { Red, Green, Blue }; +let c: Color = Color.Green; // Lastly, "void" is used in the special case of a function returning nothing function bigHorribleAlert(): void { @@ -43,16 +52,16 @@ function bigHorribleAlert(): void { // The following are equivalent, the same signature will be infered by the // compiler, and same JavaScript will be emitted -var f1 = function(i: number): number { return i * i; } +let f1 = function (i: number): number { return i * i; } // Return type inferred -var f2 = function(i: number) { return i * i; } +let f2 = function (i: number) { return i * i; } // "Fat arrow" syntax -var f3 = (i: number): number => { return i * i; } +let f3 = (i: number): number => { return i * i; } // "Fat arrow" syntax with return type inferred -var f4 = (i: number) => { return i * i; } +let f4 = (i: number) => { return i * i; } // "Fat arrow" syntax with return type inferred, braceless means no return // keyword needed -var f5 = (i: number) => i * i; +let f5 = (i: number) => i * i; // Interfaces are structural, anything that has the properties is compliant with // the interface @@ -66,19 +75,19 @@ interface Person { // Object that implements the "Person" interface // Can be treated as a Person since it has the name and move properties -var p: Person = { name: "Bobby", move: () => {} }; +let p: Person = { name: "Bobby", move: () => { } }; // Objects that have the optional property: -var validPerson: Person = { name: "Bobby", age: 42, move: () => {} }; +let validPerson: Person = { name: "Bobby", age: 42, move: () => { } }; // Is not a person because age is not a number -var invalidPerson: Person = { name: "Bobby", age: true }; +let invalidPerson: Person = { name: "Bobby", age: true }; // Interfaces can also describe a function type interface SearchFunc { (source: string, subString: string): boolean; } // Only the parameters' types are important, names are not important. -var mySearch: SearchFunc; -mySearch = function(src: string, sub: string) { +let mySearch: SearchFunc; +mySearch = function (src: string, sub: string) { return src.search(sub) != -1; } @@ -104,8 +113,8 @@ class Point { static origin = new Point(0, 0); } -var p1 = new Point(10 ,20); -var p2 = new Point(25); //y will be 0 +let p1 = new Point(10, 20); +let p2 = new Point(25); //y will be 0 // Inheritance class Point3D extends Point { @@ -115,7 +124,7 @@ class Point3D extends Point { // Overwrite dist() { - var d = super.dist(); + let d = super.dist(); return Math.sqrt(d * d + this.z * this.z); } } @@ -131,12 +140,12 @@ module Geometry { } } -var s1 = new Geometry.Square(5); +let s1 = new Geometry.Square(5); // Local alias for referencing a module import G = Geometry; -var s2 = new G.Square(10); +let s2 = new G.Square(10); // Generics // Classes @@ -152,21 +161,21 @@ interface Pair { } // And functions -var pairToTuple = function(p: Pair) { +let pairToTuple = function (p: Pair) { return new Tuple(p.item1, p.item2); }; -var tuple = pairToTuple({ item1:"hello", item2:"world"}); +let tuple = pairToTuple({ item1: "hello", item2: "world" }); // Including references to a definition file: /// // Template Strings (strings that use backticks) // String Interpolation with Template Strings -var name = 'Tyrone'; -var greeting = `Hi ${name}, how are you?` +let name = 'Tyrone'; +let greeting = `Hi ${name}, how are you?` // Multiline Strings with Template Strings -var multiline = `This is an example +let multiline = `This is an example of a multiline string`; ``` -- cgit v1.2.3