The JSON object does not define the wrong workaround _javascript tips

Today in the use of Moodle, suddenly found in IE to enter the courseware when prompted "JSON undefined" error message.

Later, a "json2.js" was introduced to test. OK solve.

Later I always feel that the unreliable, carefully scrutinized a bit to find my IE is in compatibility mode.

Go to normal mode and log off to the code that references "Json2.js".

Sure enough, it's normal.

So, guess IE may be the "compatible" feature in compatibility mode. So it's not going to load too much uncertainty (minimum boot unit). Includes the parsing capabilities of JSON.

The above is a small series for everyone to bring the JSON object does not define the wrong solution to the full contents of the, I hope to help you, a lot of support cloud Habitat Community ~