.val().trim()
时间: 2023-11-12 18:06:47 浏览: 36
.val().trim()是一种常见的JavaScript代码,用于获取表单元素的值并去除首尾的空格。它可以用于获取用户在输入框中输入的内容,并且去除输入内容前后的空格。这个方法通常用于验证用户输入的有效性,比如在注册表单中检查密码、性别、生日、部门编号、身高和体重等字段的输入是否符合要求。\[1\]
#### 引用[.reference_title]
- *1* [jquery 选择器用法例(1)](https://blog.csdn.net/xiuye2015/article/details/50768196)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [js中的正则表达式](https://blog.csdn.net/qq3892997/article/details/121853268)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [val、Str和trim](https://blog.csdn.net/weixin_43267344/article/details/90142367)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]