front-thinking

The introduction to Reactive Programming you've been missing

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

注：目前是前端实验性质的工具。

开发环境和用户使用环境不一致，开发时无法对所有浏览器做测试。但是由用户来反馈错误过于被动。为了主动地收集错误并解决，在网页上加了一个JavaScript错误监控脚本。

用window.onerror捕获页面上的JavaScript运行错误，并使用beacon的方式保存到seedit.duapp.com上。

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	var each = function (arr, callback){
	for(var i=0, l=arr.length; i<l; i++){
	callback.call(arr[i], i, arr[i]);
	}
	};

	each([1, 2, 3], function (i, n){
	console.log([i, n]);
	});

	var myImage = (function (){
	var imgNode = document.createElement('img');
	document.body.appendChild(imgNode);
	return {
	setSrc: function(src){
	imgNode.src = src;
	}
	}
	})();

	/**
	* This casper scipt checks for 404 internal links for a given root url.
	*
	* Usage:
	*
	* $ casperjs 404checker.js http://mysite.tld/
	* $ casperjs 404checker.js http://mysite.tld/ --max-depth=42
	*/

	/global URI/