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professional-javascript-19-ScopeExample.htm / htm

          <title>Scope Example</title>
          <p>In this example, the <code>var</code> statement isn't used to define
          the variable <code>sMyFirstName</code>, so it is created as a variable
          at the <code>window</code> scope. This is proved because the second function
          can also access the variable and display it in an alert.</p>
          <script type="text/javascript">
              function sayFirstName() {
                  sMyFirstName = "Nicholas";
              function sayFirstNameToo() {

(C) Æliens 20/2/2008

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