JavaScript学习笔记 2-变量、字符串
变量
还是先看例子,内容很少，也很简单:
JavaScript变量练习(完整代码)
html
head
script language="JavaScript"
!-- hide me
// load up some variables
var secs_per_min = 60;
var mins_per_hour = 60;
var hours_per_day = 24;
var days_per_year = 365;
//当首次用一变量时，应以“var”申明。 尽管以var 作为变量申明严格说并不必要，但这是一个好习惯。
//对变量名大小写敏感
// do some calculations
var secs_per_day = secs_per_min * mins_per_hour * hours_per_day;
var secs_per_year = secs_per_day * days_per_year;
//here's how to use JavaScript to write out HTML
//这里介绍如何用...[ 查看全文 ]
2016-02-19
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