Question

js中要得到字符串的第一个字符好最后一个字符怎么得到

Answer 1

var vv = "abc";
v1 = vv.charAt(0);
v2 = vv.charAt(vv.length-1);
alert(v1+"=="+v2);

Answer 2

string.substr(0,1) string.substr(string.length-1,1)