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js删除字符串的最后一位
2022-07-02 06:23:00 【xuefankang】
1.substr() 方法
var str = "abc,def,ghi,";
str = str.substr(0, str.length - 1);
console.log(str) // 返回abc,def,ghi2.substring() 方法
var str = "abc,def,ghi,";
str = str.substring(0, str.length - 1);
console.log(str) // 返回abc,def,ghi3.lastIndexOf() 方法
var str = "abc,def,ghi,";
str = str.substring(0, str.lastIndexOf(','));
console.log(str) // 返回abc,def,ghi边栏推荐
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