• 2021-04-14
    以下程序的运行结果是:
    ";
    }
    echo $var." ";
    test($var);
    ?>
  • 90 89 90

    内容

    • 0

      以下哪个语句中的test是数值型变量? A: var test=20181194953; B: int test=20181194953; C: var test; D: var test="20181194953";

    • 1

      ‏var t = 10; ‌‏function test(test){ ‌‏ t = t + test; ‌‏ console.log(t);‌‏ var t = 3; ‌‏} ‌‏test(t); ‌‏console.log(t); ‌‏运行结果是( )?‌‏‌ A: 3 3 B: 3 10 C: NaN 10 D: NaN 3

    • 2

      29. 以下程序片段运行后结果应为: ()var str1 ='12year';var i=str1.indexof('2');alert(i);

    • 3

      145.var t = 10; function test(test){ t = t + test; console.log(t); var t = 3; } test(t); console.log(t); 运行结果是( )?

    • 4

      假如在脚本中定义了如下的变量:var="hello itheima"那么下列哪个选项可以成功打印变量var的值itheima?()(2.0) A: echo "var"; B: echo 'var'; C: echo "$var"; D: echo '$var'