JavaScript Tips
@JavaScriptWsdom
Insightful and practical JavaScript wisdom.
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Which is your fav framework?
Let’s automate tasks with...
You might not need jQuery, as post-IE8 browsers are pretty easy to deal with. Read more at youmightnotneedjquery.com
A great article from Douglass Crockford about using private members in JavaScript javascript.crockford.com/private.html
Testing in Chrome 36, Array.prototype.filter is 95% slower than a for loop jsperf.com/aarontgrogg-ar…
Modern browsers adhering to ECMA Script 5.1 support the indexOf method on arrays. ecma-international.org/ecma-262/5.1/#…
JavaScript doesn't have block scope; program accordingly.
String concatenation performance can vary dramatically from browser to browser. For example, run jsperf.com/string-concate… in IE and Chrome.
We all love jQuery and Underscore, but when it comes to speed, prefer native for-loops over _.each or $.each jsperf.com/jquery-each-vs…
Instead of trying to decipher the Date API, just use Moment.js (momentjs.com)
Prefer checking equality using === rather than ==. === compares value _and_ type, is more explicit and also slightly faster #JavaScript
Follow this account to suggest and receive JavaScript tips and advice! #JavaScript #jQuery
If using global variables, prefix them with "window" so that scope resolution is clearly understood by the dev. (I.e. window.[identifier])
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