mathiasbynens

// I found this somewhere on the intertubes, and optimized it
$.fn.insertAtCaret = function(myValue) {
	return this.each(function() {
		var me = this;
		if (document.selection) { // IE
			me.focus();
			sel = document.selection.createRange();
			sel.text = myValue;
			me.focus();
		} else if (me.selectionStart || me.selectionStart == '0') { // Real browsers

mathiasbynens

superfish.pem contains:

1. the Superfish certificate as found by both Chris Palmer and Matt Burke;
2. the encrypted private key as found by Karl Koscher.

$ openssl x509 -in superfish.pem -text
Certificate:
    Data:
        Version: 3 (0x2)

mathiasbynens

#!/bin/bash

if [ "$1" = "-h" -o "$1" = "--help" -o -z "$1" ]; then cat <<EOF
appify v3.0.1 for Mac OS X - http://mths.be/appify
Creates the simplest possible Mac app from a shell script.

Appify takes a shell script as its first argument:

    `basename "$0"` my-script.sh

mathiasbynens

// Original code from http://www.blog.highub.com/mobile-2/a-fix-for-iphone-viewport-scale-bug/

var metas = document.getElementsByTagName('meta');
var i;
if (navigator.userAgent.match(/iPhone/i)) {
	for (i=0; i<metas.length; i++) {
		if (metas[i].name == "viewport") {
			metas[i].content = "width=device-width, minimum-scale=1.0, maximum-scale=1.0";
		}
	}

mathiasbynens

// Here’s a 100% deterministic alternative to `Math.random`. Google’s V8 and
// Octane benchmark suites use this to ensure predictable results.

Math.random = (function() {
	var seed = 0x2F6E2B1;
	return function() {
		// Robert Jenkins’ 32 bit integer hash function
		seed = ((seed + 0x7ED55D16) + (seed << 12))  & 0xFFFFFFFF;
		seed = ((seed ^ 0xC761C23C) ^ (seed >>> 19)) & 0xFFFFFFFF;
		seed = ((seed + 0x165667B1) + (seed << 5))   & 0xFFFFFFFF;

mathiasbynens

Looking for support tables for HTML/CSS/JavaScript features or details on their implementation status in major browsers?

• Chrome Platform Status (covers Chromium and thus includes Opera)
• Firefox Platform Status
• Microsoft Edge Platform Status
• WebKit Feature Status
• API Catalog

And then there’s Can I use…?.

mathiasbynens

#!/usr/bin/env bash

# https://code.google.com/p/chromium/issues/detail?id=226801
url='https://chromium.googlesource.com/chromium/src/net/+/master/http/transport_security_state_static.json?format=TEXT';
curl -#s "${url}" | \
	base64 --decode | \
	sed '/^ *\/\// d' | \
	sed '/^\s*$/d' > hsts.json;

mathiasbynens

/*!
 * Dynamically changing favicons with JavaScript
 * Works in all A-grade browsers except Safari and Internet Explorer
 * Demo: http://mathiasbynens.be/demo/dynamic-favicons
 */

// HTML5™, baby! http://mathiasbynens.be/notes/document-head
document.head || (document.head = document.getElementsByTagName('head')[0]);

function changeFavicon(src) {

mathiasbynens

/*!
 * JavaScript function to calculate the destination point given start point latitude / longitude (numeric degrees), bearing (numeric degrees) and distance (in m).
 *
 * Original scripts by Chris Veness
 * Taken from http://movable-type.co.uk/scripts/latlong-vincenty-direct.html and optimized / cleaned up by Mathias Bynens <http://mathiasbynens.be/>
 * Based on the Vincenty direct formula by T. Vincenty, “Direct and Inverse Solutions of Geodesics on the Ellipsoid with application of nested equations”, Survey Review, vol XXII no 176, 1975 <http://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf>
 */
function toRad(n) {
 return n * Math.PI / 180;
};

mathiasbynens

/*! Cross-browser-compatible setZeroTimeout
 *
 * I took the original setZeroTimeout and made it cross-browser-compatible, using setTimeout(fn, 0) as a fallback in case postMessage is not supported.
 * Mathias Bynens <http://mathiasbynens.be/>
 * See <http://mathiasbynens.be/notes/settimeout-onload>
 *
 * Copyright statement below:
 *
 * See <http://dbaron.org/log/20100309-faster-timeouts>
 * By L. David Baron <dbaron@dbaron.org>, 2010-03-07, 2010-03-09