向页面输出“Hello World”正确的JavaScript语法是______。
(A)“Hello World”
(B)<h4>Hello World </h4><br/>
(C)document.write("Hello World ");
(D)alert("Hello World ");
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(A)“Hello World”
(B)<h4>Hello World </h4><br/>
(C)document.write("Hello World ");
(D)alert("Hello World ");