Seyi Adebajo theseyi

Moral Concerns

JSONP is not actually JSON with padding, it's Javascript code that's executed. JSON is not a real subset of Javascript and the way it is not is important to us: via UTFGrid, we are all UTF-8 masters.

JSONP is not safe: it's Javascript that's executed. It's trivial to XSS with JSONP, because JSONP is XSS. Just have a call like mapbox.load('foo.tilejson', …) and if foo.tilejson gets replaced with destroyYoursite(), it gets run. Compare to JSON.parse, which is, on purpose, not eval.

Practical Concerns

JSONP is questionable in terms of performance. To be fast, you want to have the same callback all the time so that you can cache the response. But this leads to a page like

	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Styling radios & checkboxes using CSS3</title>
	<link rel="stylesheet" media="screen" href="styles.css" >
	</head>

	<body>
	<h1>Styling radios & checkboxes using CSS3</h1>

	ItemView = Marionette.ItemView.extend({
	// ...

	onShow: function(){
	// I am guaranteed to be called from the CollectionView
	// because the CollectionView registers me in a promise
	}
	});

	CollectionView = Marionette.CollectionView.extend({

	//
	// BridgeManager.h
	//
	// Created by Nick Hudkins on 12/13/15.
	//

	#import <Foundation/Foundation.h>
	#import "RCTBridgeModule.h"

	@interface BridgeManager : NSObject <RCTBridgeModule>

	const makeCancelable = (promise) => {
	let hasCanceled_ = false;

	const wrappedPromise = new Promise((resolve, reject) => {
	promise.then((val) =>
	hasCanceled_ ? reject({isCanceled: true}) : resolve(val)
	);
	promise.catch((error) =>
	hasCanceled_ ? reject({isCanceled: true}) : reject(error)
	);

	/*
	* object.watch polyfill
	*
	* 2012-04-03
	*
	* By Eli Grey, http://eligrey.com
	* Public Domain.
	* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
	*/

	import EmberRouter from '@ember/routing/router';
	import config from './config/environment';

	const Router = EmberRouter.extend({
	location: 'none',
	rootURL: config.rootURL
	});

	Router.map(function() {
	this.route('photos', function() {

	import { action } from '@ember-decorators/object';

	export default class AutoBind {
	end = false;

	constructor() {
	window.addEventListener('beforeunload', this.onDestroy);
	}

	@action

	util.js:23 Uncaught TypeError: Cannot read property 'value' of undefined
	at getMethod (util.js:23)
	at util.js:80
	at buildComputedDesc (computed.js:81)
	at Object.initializeComputedProperty [as finisher] (computed.js:182)
	at decorator.js:79
	at __decorate (wherehows-web.js:1684)
	at Module.callback (dataset-authors.ts:166)
	at Module.exports (loader.js:106)
	at requireModule (loader.js:27)



	// Extend Ember.Route to add support for sensible
	// document.title integration.
	Ember.Route.reopen({

	// `titleToken` can either be a static string or a function
	// that accepts a model object and returns a string (or array
	// of strings if there are multiple tokens).
	titleToken: null,