新建一个js文件并保存为select.js,剩下的工作我们全部在这个js中去完成。
函数名:loadSelect(obj);
参数:select对象
相关函数:

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How to beautify select using javascript_form effects

WBOY
WBOYOriginal
2016-05-16 19:14:18959browse

People in forums often ask how to beautify the Select tag using CSS. In fact, everything you see that is cool is done using JavaScript. I tried it yesterday and basically implemented the primary function. Take it out and share it with everyone. You can first take a look at the preview effect: http://www.iwcn.net/demo/select.
【Functional Requirements】
1. It should be convenient to call. When done, it should look like this:

Copy code Code As follows:

function loadSelect(selectobj){
//Passing in a select object can beautify its style
}

2. No Change the original form items without destroying the page code of the form:
Copy the code The code is as follows:



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[Implementation Idea]

Step one: Hide the select in the form.
Why? It's simple, because this guy is too stubborn and can't get what you want using CSS. So kill it.

Step 2: Use a script to find the absolute position of the select tag on the web page.
We use DIV tags to make a fake and better-looking one at that position to serve as his stand-in.

Step 3: Use a script to read the value in the select tag.
Although it is hidden, we can still use the options in it, so we can take them all.

Step 4: When the user clicks on the avatar of the select tag, which is the div. We use another div to float below the previous div. This is the stand-in for options.

That’s roughly it, let’s implement it step by step!

【Preparation】
1. Think about how you want to beautify the selection and prepare the corresponding pictures. I prepared two small pictures, which are drop-down arrow 1 and drop-down arrow 2. 1 is the default style and 2 is the style when the mouse is moved over.
2. Write a common form submission page, such as the one below. Note that I defined the basic CSS style for select, added the code to call the js file in the head, and added the script to call the function in the body.
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