javascript - Using function parameter value as dictionary key -



javascript - Using function parameter value as dictionary key -

attempting build dictionary using key comes via function parameter.

var progres_mark = function(progress_state) { var = date(); console.log({ progress_state : }) } progres_mark("encode")

expected

{ 'encode': 'sun oct 19 2014 18:22:33 gmt+0300 (idt)' }

actual

{ progress_state: 'sun oct 19 2014 18:22:33 gmt+0300 (idt)' }

what’s going on?

because compiler expects identifier or string , hence not evaluate variable's value. can utilize bracket notation accomplish want.

var progres_mark = function(progress_state) { var = date(); var obj = {}; obj[progress_state] = now; console.log(obj) }

javascript node.js dictionary

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