warn if IE8 is in compatibility mode
Jon Hester committed
Mar 5, 2015 at 13:48 UTC
a999ac1ac30bd7ec9db152027fc480ea34652b5d
1 file changed
+10
src/browser/ui/React.js
+10
@@ -113,6 +113,16 @@ if (__DEV__) {
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}
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}
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+ // If we're in IE8, check to see if we are in combatibility mode and provide
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+ // information on preventing compatibility mode
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+ if (document.documentMode && document.documentMode < 8) {
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+ console.debug(
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+ 'Internet Explorer is running in compatibility mode, please add the following ' +
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+ 'tag to your HTML to prevent this from happening: ' +
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+ '<meta http-equiv="X-UA-Compatible" content="IE=edge" />'
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+ );
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+ }
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+
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var expectedFeatures = [
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// shims
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Array.isArray,