Task 6: If your model works, other elephant parks in Africa would be interested in using it.
任务6：如果你的模型有效，南非的其他大象公园会乐于采用它。
You need to know how the Document Object Model (DOM) works only if you wish to change the code in this tutorial to suit your own applications.
只有当希望修改本教程中的代码以适应具体应用程序时才需要了解文档对象模型(DOM)的工作原理。
You need to know how the Document Object Model (DOM) works only if you wish to change the code in this tutorial to suit your own applications.
只有当希望修改本教程中的代码以适应具体应用程序时才需要了解文档对象模型(DOM)的工作原理。
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