*tabs.coffee:26
	alert "I knew it!"
	^

ReferenceError: alert is not defined
    at *tabs.coffee:26:2*
    at *tabs.coffee:1:14*
    at Module._compile (internal/modules/cjs/loader.js:*
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:*
    at Module.load (internal/modules/cjs/loader.js:*
    at Function.Module._load (internal/modules/cjs/loader.js:*
    at Module.require (internal/modules/cjs/loader.js:*
    at require (internal/modules/cjs/helpers.js:*
    at Object.<anonymous> (*source_map_reference_error_tabs.js:*
    at Module._compile (internal/modules/cjs/loader.js:*