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  1. Qt
  2. QTBUG-29142

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

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    Description

      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

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          relates to

          Suggestion - Public suggestions QTBUG-30069 strict/warning mode for QML development

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
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              qtqmlteam Qt Qml Team User
              tmcguire Thomas McGuire
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                Created:
                Updated:

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