The following is a detailed description of jQuery operation attributes and styles. I think it is quite good. Now I will share it with you and give you a reference. Let's take a look at it with xiaobian.
• Differentiate between DOM attributes and element attributes
Generally, developers are used to calling id, src, alt, and other "attributes" of this element ". We call it "element attribute ". However, when parsed to a DOM object, the actual browser will finally parse the tag element into a "DOM object" and store the "element attribute" of the element as "DOM attribute ", the two are different.
Even some "element attributes" and "DOM attributes" have different names. For example, the above element attribute class corresponds to the className after being converted to the DOM attribute.
Remember, in javascript, we can directly get or set the "DOM attribute ":