相关考题
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单项选择题
定义JavaScript数组的正确方法是？（）
A.var txt = new Array="tim","kim","jim"
B.var txt = new Array(1:"tim",2:"kim",3:"jim")
C.var txt = new Array("tim","kim","jim")
D.var txt = new Array:1=("tim")2=("kim")3=("jim") -
单项选择题
如何在JavaScript中添加注释？（）
A.' This is a comment
B.< !--This is a comment-->
C.//This is a comment -
单项选择题
for循环如何开始？（）
A.for (i <= 5; i++)
B.for (i = 0; i <= 5; i++)
C.for (i = 0; i <= 5)
D.for i = 1 to 5
