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JSON.parse error

<!DOCTYPE html> <html> <head> <title></title> </head> <body> <script> var str = "{ 'foo': 'bar' }"; var json = JSON.parse(str); </script> </body> </html>

This code throws an error in the second expression of the variable. What for? (Chrome says “unexpected ILLEGAL token”, Firefox says “JSON.parse”)

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2 answers

You should use double, not single quotes:

  var str = '{ "foo": "bar" }'; var json = JSON.parse(str); json['foo']
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It was easier for me to just use String () on an object before calling JSON.parse ()

 var retrievedObject = localStorage.foo; var encoded = JSON.parse(String(retrievedObject));
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