![](/img/trans.png)
[英]How to check whether a string contains a substring in JavaScript?
[英]How to check whether a string contains a substring which is present in a predefined array in JavaScript?
找出JavaScript数组是否包含给定字符串的子字符串的最有效方法是什么?
例如,如果我有一个JavaScript数组
var a = ["John","Jerry","Ted"];
我需要将上述数组与字符串进行比较时返回true
的条件:
"John Elton"
您可以使用.some()
和.includes()
方法:
let arr = ["John","Jerry","Ted"]; let str = "John Elton"; let checker = (arr, str) => arr.some(s => str.includes(s)); console.log(checker(arr, str));
对于ES6:
var array = ["John","Jerry","Ted"];
var strToMatch = "John Elton"
array.some(el => strToMatch.includes(el))
万一您不能使用ES6:
let arr = ["John","Jerry","Ted"]; let str = "John Elton"; var match = arr.some(function (name) { return str.indexOf(name) > -1; }); console.log(match);
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.