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  1. Qt
  2. QTBUG-29142

No error message when reading from non-existant property in JS

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      Reading a non-existant property in JS does not trigger an error.
      In contrast, writing to a non-existant property triggers an error like:
      "Error: Cannot assign to non-existent property "fooBar""

      Reading should trigger a similar error, as otherwise it is very easy to overlook coding errors.

      See attached QML file for a testcase.

      Tested with:
      qtbase: v5.0.0-299-g3d9a400
      qtjsbackend: v5.0.0-2-gce0de18
      qtdeclarative: v5.0.0-35-gd89f1db

        1. no-error-message-js.qml
          0.1 kB
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            qtqmlteam Qt Qml Team User
            tmcguire Thomas McGuire
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              Created:
              Updated:

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