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| -rw-r--r-- | typescript.html.markdown | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/typescript.html.markdown b/typescript.html.markdown index ba4a9e71..9f0f4c6d 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -223,6 +223,25 @@ moreNumbers[5] = 5; // Error, elements are read-only moreNumbers.push(5); // Error, no push method (because it mutates array) moreNumbers.length = 3; // Error, length is read-only numbers = moreNumbers; // Error, mutating methods are missing + +// Iterators and Generators + +// for..of statement +// iterate over the list of values on the object being iterated +let list = [4, 5, 6]; +for (let i of list) { + console.log(i); // "4", "5", "6" +} + +// for..in statement +// iterate over the list of keys on the object being iterated +for (let i in list) { + console.log(i); // "0", "1", "2", +} + + + + ``` ## Further Reading |