nhagen

var a = ["sdfdf", "http://oooooolol"],
    handleNetErr = function(e) { return e };

Promise.all(fetch('sdfdsf').catch(handleNetErr), fetch('http://invalidurl').catch(handleNetErr))
    .then(function(sdf, invalid) {
        console.log(sdf, invalid) // [Response, TypeError]
    })
    .catch(function(err) {
        console.log(err);
    })

tkadlec

(function () {
	var perfBar = function(budget) {

		window.onload = function() {
			window.performance = window.performance || window.mozPerformance || window.msPerformance || window.webkitPerformance || {};


			var timing = window.performance.timing,
			now = new Date().getTime(),
			output, loadTime;

acdlite

function pureRenderMixin(Component) {
  Component.prototype.shouldComponentUpdate(nextProps, nextState) {
    return !shallowEqual(this.props, nextProps) ||
           !shallowEqual(this.state, nextState);
  }
  
  return Component;
}

class MyComponent extends React.Component {}