【单选题】在 JavaScript 中,哪个对象调用方法时可以省略不用写出来:
【简答题】阅读理解。 It came as something of a surprise when Diana, Princess of Wales, made a trip to Angola in 1997, to support the Red Cross campaign for a total ban on all anti-personnel landmines. Within hours o...
【单选题】When securing a flash-type evaporator for an extended period of time, you should ______.
A.
fill the unit with saltwater
B.
fill the unit with descaling compound
C.
compeletly drain the unit
D.
tightly seal the unit to exclude air
【判断题】在JavaScript中,使用window.prompt()方法可以不带上window对象,直接使用prompt()方法。( )
【简答题】阅读理解。 It came as something of a surprise when Diana, Princess of Wales, made a trip to Angola in 2004, to support the Red Cross's campaign for a total ban on all anti-personnel landmines (地雷). Within ...
【简答题】阅读理解。 It came as something of a surprise when Diana, Princess of Wales, made a trip to Angola in 1997, to support the Red Cross campaign for a total ban on all anti-personnel landmines. Within hours o...
【单选题】在JavaScript中,用window对象( )方法可以显示一个用户可以输入信息的对话框,以用户输入的在文本框中的值为该方法的返回值。
【单选题】在Javascript中,用()方法可以对数组元素进行排序。