diff options
| -rw-r--r-- | typescript.html.markdown | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/typescript.html.markdown b/typescript.html.markdown index 662af494..27a1f71a 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -43,14 +43,14 @@ 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; } +var f1 = function(i: number): number { return i * i; } // Return type inferred var f2 = function(i: number) { return i * i; } -var f3 = (i: number) : number => { return i * i; } +var f3 = (i: number): number => { return i * i; } // Return type inferred var f4 = (i: number) => { return i * i; } // Return type inferred, one-liner means no return keyword needed -var f5 = (i: number) => i * i; +var f5 = (i: number) => i * i; // Interfaces are structural, anything that has the properties is compliant with // the interface @@ -64,11 +64,11 @@ 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 : () => {} }; +var p: Person = { name: "Bobby", move: () => {} }; // Objects that have the optional property: -var validPerson : Person = { name: "Bobby", age: 42, move: () => {} }; +var validPerson: Person = { name: "Bobby", age: 42, move: () => {} }; // Is not a person because age is not a number -var invalidPerson : Person = { name: "Bobby", age: true }; +var invalidPerson: Person = { name: "Bobby", age: true }; // Interfaces can also describe a function type interface SearchFunc { @@ -84,7 +84,7 @@ mySearch = function(src: string, sub: string) { class Point { // Properties x: number; - + // Constructor - the public/private keywords in this context will generate // the boiler plate code for the property and the initialization in the // constructor. @@ -94,10 +94,10 @@ class Point { constructor(x: number, public y: number = 0) { this.x = x; } - + // Functions dist() { return Math.sqrt(this.x * this.x + this.y * this.y); } - + // Static members static origin = new Point(0, 0); } @@ -110,7 +110,7 @@ class Point3D extends Point { constructor(x: number, y: number, public z: number = 0) { super(x, y); // Explicit call to the super class constructor is mandatory } - + // Overwrite dist() { var d = super.dist(); |