javascript - Object only has strings detection -

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i have problem can't figure out how determine if object has strings. trying not on figuring out, if has time, explain why answer works, me learn. thank you

function hasonlystrings(o) {  (var val in o) {    var values = o[match];      if (typeof values === 'string') {         return true;      }       else { return false; }  } }  var car = {  name: 'corvette',  fast: true,  color: 'black' }  var truck = {  name: 'ford',  color: 'blue' }

you're testing first value, not of them.

function hasonlystrings(o) {     (var val in o) {         var values = o[match];         if (typeof values != 'string') {             return false;         }      }     return true; }

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