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I. objectives To display data in a tree structure, each node (except the root node) has a checkbox in front of it. At the same time, click the parent node to select all or none of the child nodes. When all the child nodes are selected, the parent node is selected, as shown in the following figure: Note: I changed the display icon to false (I do ...

The following are the summary of MOOC online courses https://www.imooc.com/video/3179 eg1: element attribute value with px // Think about whether you can use the binomial operator to say a sentence directly function getStyle(obj, attr) { // IE if (obj.currentStyle) { ret ...

DSkin encapsulates the Web UI development mode to develop desktop applications, which is very convenient to use Vue. It's a little like WPF   Let's use element UI as a simple example.   Operation effect; you can change the layout effect according to your own needs.   Element UI template code of main framework   <div id="page" class="shadow ...

This time, we mainly use: jquery+angularjs+bootstrap to achieve paging effect Test tool: HBuilder First of all, we need to analyze the principle of Baidu paging. Here is my screenshot of paging First, create a project, create a page, and add json data Import corresponding js and cs Start writing First, import js and ...

Getting associated fields Sometimes a child page needs to get the value of the iframe page as the associated field between the child page and the parent yemi page. First obtain the html element of the parent page through parent.document, and then transfer the value of the parent page to the child page. The parent page adds th ...

A very basic function, click the icon button in the lower left corner, the whole div of the map will become larger. After the preview becomes larger, click the icon button again, the whole div of the map will become smaller and return to its original state. The two icons constantly switch the icon state (arrow inside or arrow outsi ...

Author| Jeskson Source|Dada Front End Bistro Source address: https://github.com/huangguangda/Ajaxitm What is Ajax technology?Use Ajax technology in the real world, understand the way the front and back end interact, understand the mode of the mobile end, understand the new technology of H5, understand the use of CSS3, and the use of JQuery. Aj ...

Demand scenario: Select a product and display the different attributes of all stores. Each ul represents a store, and each line of li represents an attribute The effect is as follows: Click to display all: After clicking the hide the same item button: Solution: Hide button implementation: Traversing ul, t ...

jackson Jackson is a simple java application library. Jackson can easily convert Java objects into json objects And xml documents, you can also convert json and xml into Java objects Core code: ObjectMapper mapper = new ObjectMapper(); mapper.writeValueAsString(obj); //Number of rows to get source data int count = m ...

First of all, in the html structure, add the class name to all the structures that need to be converted, preferably to the nearest parent containing the text, because we need to use the text node to replace them. Then construct data similar to json to facilitate replacement operation. You can also declare a variable flag to re ...