What "implementation dependent" in javascript?
<p>I think that "implementation dependent" is implementation(in javascript) depend on something.
Could you tell me What something is depended??</p>

<p>Thank you kindly. </p>

<p>p.s. if my writing in English too bad,I'm so sorry.</p>

<p><strong>Update</strong> My question is about Property enumeration order.I forget to tell you.I'm Sorry.</p>
