Ajax createXMLHttpRequest(); is not defined(repeated 3 times)...
underscore - 问题 - SegmentFault
...- Underscore.js: Uncaught ReferenceError: data is not ...
javascript - ReferenceError: _ is not defined - Stack Overflow
Underscore.js - Uncaught ReferenceError: _ is not defined – ...
...template Uncaught ReferenceError variable is not defined -...
...build error - ReferenceError: _ is not defined - Stack ...
javascript - Uncaught ReferenceError: _ is not defined from ...