lengths

length什么意思

length[英] [leŋθ][美] [lɛŋkθ, lɛŋθ]
n.长度，长；时间的长短；（语）音长；一段，一节复数：lengths


1.A book is not judged only on its length.
不能只根据篇幅长短来评价一本书。
2.A hall ran the length of the upper floor of the house.
走廊的长度等于房子上层的长度。
3.According to the law, the accuser, the accused, and the judge were each allowed to talk for the same length of time.
按照法律，每一原告、被告及法官都准许有等长的时间发言。
4.All these sticks are of uniform length.
所有这些手杖的长度都是一样的。
5.An aisle ran the length of the house.
过道的长度等于房子的长度。
6.An inch is a measure of length.
对是长度的度量单位。
7.Arrangements were well advanced for linking up this newly operated length with the Lancaster bypass.
已经提前做出安排使新投入使用的这段高速公路与兰开斯特支线衔接。
8.Astronomers can accurately foretell the date,time,and length of future eclipses.
天文学家能精确地预告未来日食月食的日期、时刻和时长。
9.At length he returned.
他最后还是回来了。
10.At length the young lady raised her head and looked steadily at his intelligent face.
那个年轻妇女终于抬起头，目不转睛地盯着他心领神会的脸。
11.At length, weary with wandering, they fell asleep.
最后，因为游逛得很疲乏，他们都睡着了。
12.Full-length coats are vogue today.
如今流行长外套。
13.Give me a piece of rope, any length will do.
给我一根绳子，多长都行。
14.He fell full length.
他直挺挺地跌倒在地上。
15.He is the queer old duck with the knee-length gaiters and walrus mustache.
他穿着高及膝盖的皮护腿，留着海象般的八字胡，真是个古怪的老家伙。

javascript:中“x.length”代表什么意思？

<!--
var x=["a","b","c","d"];
//var x="abcd";
var i=0;
for(i=0; i<x.length; i++){
alert(x[i]);
}

//-->



x为一个变量字符串或者数组，x.length代表数组或者字符串的长度，（i=0; i<x.length; i++）用在for循环语句中，含义是:初始化一个为0的数值变量，使其在x的长度范围内递增，循环执行语句，直到变量大于x的长度。