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qianguyihao 2021-03-18 20:10:43 +08:00
parent 097f41fe80
commit e78e6d9879
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04-JavaScript基础/13-内置对象 String：字符串的常见方法.md
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@ -154,9 +154,11 @@ console.log('a 出现的次数是: ' + num);
const name = 'qianguyihao'; const name = 'qianguyihao';
console.log(name.search('yi')); // 打印结果：6 console.log(name.search('yi')); // 打印结果：6
console.log(name.search(/\yi/i)); // 打印结果：6 console.log(name.search(/yi/i)); // 打印结果：6
``` ```
备注：上方的`/yi/i`采用的是正则表达式的写法，意思是，让 name去匹配字符`yi`，忽略大小写。
### 3、includes()：字符串中是否包含指定的内容 ### 3、includes()：字符串中是否包含指定的内容