Verify browser compatability w/ Leaflet Core

[riordan]

Leaflet supports

• Chrome
• Firefox
• Safari 5+
• Opera 12+
• IE 7-11

We've got to go back and check all of them.

• Chrome
• Firefox
• Safari
  • Safari 5
  • Safari 6
  • Safari 7
  • Safari 8
• Internet Explorer
  • IE 7
  • IE 8
  • IE 9
  • IE 10
  • IE 11

[louh]

Compatibility notes (ongoing, will evolve as I learn more)

• Placeholders in input box are not supported on IE 7-9 (http://caniuse.com/#feat=input-placeholder). This degrades gracefully so we don't need to remove it. If we want to support IE 7-9 with placeholders, we can either polyfill it inside the library or note it as a caveat (so that developers who integrate the library can choose their polyfill method of choice or ignore it).
• The element.querySelector() and element.querySelectorAll() methods do not exist in IE7 (http://caniuse.com/#feat=queryselector). This will cause the library to throw errors, so we must either work around it or polyfill the method.
• a JSONP response alternative might be required for old IE. (Would CORS support also help?)

[louh]

Yo @riordan, IE8/IE9 support is ready for testing. IE7 will have to be not supported due to lack of JSONP primarily.

[riordan]

Sweet! Time to fire up the IE VM's. I'll take a look this evening.

On Mon, Aug 31, 2015 at 5:55 PM, Lou Huang notifications@github.com wrote:

Yo @riordan https://github.com/riordan, IE8/IE9 support is ready for
testing. IE7 will have to be not supported due to lack of JSONP primarily.

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David Riordan | Product Manager - Search | dave.riordan@mapzen.com |
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