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function* fibGen (current, next) { | |
yield current | |
yield* fibGen(next, current + next) | |
} | |
for (var num of fibGen(0,1)); | |
// function* fibGen (current, next) { | |
// ^ | |
// RangeError: Maximum call stack size exceeded |
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if (!this.props.isInitialized) { | |
return ( | |
<FlexRow> | |
<FlexColumn> | |
<EMap bingKey={this.props.bingKey} active={true} /> | |
</FlexColumn> | |
</FlexRow> | |
) | |
} |
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// Prototypal Inheritance (this function will eventually be in the JavaScript language) | |
if (typeof Object.create !== 'function') { | |
Object.create = function(o) { | |
function F() {} | |
F.prototype = o; | |
return new f(); | |
} | |
} |
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | |
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> | |
<head> | |
<meta http-equiv="content-type" content="text/html; charset=utf-8"/> | |
<title></title> | |
</head> | |
<body> | |
</body> | |
</html> |
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var singleton = function() { | |
var privateVariable; | |
function privateFunction(x){ | |
//privateVariable | |
} | |
return { | |
firstMethod: function(a, b) { | |
//privateVariable | |
}, | |
secondMethod: function(a) { |
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/* in few words:no round brackets=function or object, round brackets:anything, arguments.callee included.diff is the left assignment */ | |
var a = function(){return 1}(); // 1 | |
var b = function(){return {}}(); //object | |
function(){return 1}(); //error | |
function(){return {}}(); //error | |
var c = (function(){return arguments.callee})(); //function | |
var d = (function(){return []})(); //array |
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/* | |
evaluates as a block — "{" and "}" — containing one labeled statement — `a:"a"`. | |
labeled statement, in its turn, evaluates to "a". | |
*/ | |
{a:"a"} | |
/* | |
evaluates as an expression, where "(" and ")" are grouping operator and "{" and "}" constitute an object literal. | |
evaluates to this object value. |
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var a = {}; | |
//to note: nothing is passed in and no private variables/functions/etc. on purpose | |
var b = (function(){ | |
return {}; | |
})(); | |
/* | |
Is there any difference between a and b in regards to scope/execution? Any advantage one has over the other? (besides like arguments.callee/recursive stuff); | |
*/ |
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if (!navigator.geolocation) { | |
navigator.geolocation = (function (window) { | |
function getCurrentPosition(callback) { | |
// NOTE: for some reason, chaging the url is *allowed* with this service. Useful, but random | |
// source: http://www.maxmind.com/app/javascript_city | |
// The source is open source, as per: http://www.maxmind.com/app/api, but doesn't discuss specific license use. Hopefully it's just free to use - yay internet! | |
var geourl = 'http://j.maxmind.com/app/geoip.js_' + Math.random(), | |
iframe = document.createElement('iframe'), | |
doc, win; |
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var sys = require("sys") | |
var http = require("http"); | |
var twitter = http.createClient(80, "search.twitter.com"); | |
var count = 10 | |
for (var i = 1; i <= count; i++) { | |
var request = twitter.request("GET", "/search.json?q=crockfordfact+OR+crockfordfacts&rpp=100&page=" + i, {"host": "search.twitter.com"}); | |
request.addListener('response', function(response) { |
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