attr（）和val（）的区别求详细解答？

Question

attr（）和val（）的区别求详细解答？

Answer 1

Would you like a detailed answer to the difference between attr() and val()? -PHP Chinese website Q&A-What is the difference between attr() and val()? Please give a detailed answer? -PHP Chinese website Q&A

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Answer 2

attr()是获取或设置元素的属性，比如a标签的href属性，div标签的style属性，checkbox的checked属性。

val（）是获取或设置表单元素的value值。只可以用于表单元素。