怎么判断一个字符串最后一个字符是反斜杠“\” js 获取字符串中最后一个斜杠后面的内容
\u5982\u4f55\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u662f\u53cd\u659c\u6760\u201c\\u201d\u5148\u83b7\u5f97\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u7136\u540e\u8bbf\u95ee\u5b57\u7b26\u4e32\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\uff0c\u4e0e\u5b57\u7b26\u2018\\u2019\u6bd4\u8f83\u5c31\u884c\u4e86
var str = "/asdasf/asfaewf/agaegr/trer/rhh";
var index = str .lastIndexOf("\/");
str = str .substring(index + 1, str .length);
alert(str );
\u5173\u4e8ejs\u4e2d\u7684\u6570\u7ec4\u7279\u70b9\uff1a
\u6570\u7ec4\u5b9a\u4e49\u65f6\u65e0\u9700\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3002
\u6570\u7ec4\u5b9a\u4e49\u65f6\u53ef\u4ee5\u65e0\u9700\u6307\u5b9a\u6570\u7ec4\u957f\u5ea6\u3002
\u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u6570\u636e\u7c7b\u578b\u7684\u6570\u636e\uff08\u6bd4\u5982\u8bf4\u4e00\u4e2a\u5143\u7d20\u4fdd\u5b58\u6574\u578b\uff0c\u4e00\u4e2a\u5143\u7d20\u4fdd\u5b58\u5b57\u7b26\u4e32\u578b\uff0c\u8fd9\u4e2a\u5728JS\u4e2d\u662f\u53ef\u4ee5\u7684\uff09\u3002
\u6570\u7ec4\u5c31\u662f\u4e00\u7ec4\u6570\u636e\u7684\u96c6\u5408\u5176\u8868\u73b0\u5f62\u5f0f\u5c31\u662f\u5185\u5b58\u4e2d\u7684\u4e00\u6bb5\u8fde\u7eed\u7684\u5185\u5b58\u5730\u5740\uff0c\u6570\u7ec4\u540d\u79f0\u5176\u5b9e\u5c31\u662f\u8fde\u7eed\u5185\u5b58\u5730\u5740\u7684\u9996\u5730\u5740\u3002
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