定时器

setTimeout
clearTimeout
setInterval
clearInterval

数组和数组操作

1 var arr = []; 2 var arr = new Array(); 3 push 4 pop 5 shift 6 unshift 7 splice 8 join 9 sort 10 concat

字符串操作

1 split 2 substring 3 indexOf 4 charAt

正则

1 var re = //; 2 var re = new RegExp(); 3 search 4 match 5 test 6 replace
//量词
{n,m} + * ?字符类: [^0-9]标识: i g首尾: ^ $转义: \d \s \b \w

JS时间

1 var oDate = new Date(); 2 getHours() 3 getMinutes() 4 getSeconds() 5 getFullYear() 6 getDay() 7 getDate() 8 setDate()