str.split(separator,howmany); 把一个字符串分割成字符串数组
str.split的执行操作与arr.join相反 var str="How are you doing today?" document.write(str.split(" ") + "<br />"); How,are,you,doing,today? document.write(str.split("") + "<br />"); H,o,w, ,a,r,e, ,y,o,u, ,d,o,i,n,g, ,t,o,d,a,y,? document.write(str.split(" ",3)); How,are,you "2:3:4:5".split(":")//将返回["2", "3", "4", "5"] "|a|b|c".split("|")//将返回["", "a", "b", "c"] |
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