question: in some current projects, such as the first column of the first row of the table is fixed, the form radio and all selections are implemented by themselves using js (not considering using the framework for the time being). So how to effectively ...
about facebook login! print out getPicture () in this format: {"height":50,"is_silhouette":false,"url":"https: lookaside.facebook.com platform profilepic ?asid=xxx&height=50&width=50&ext=...
when explaining the one-way data flow of props, the vue official website mentioned: in addition, each time the parent component is updated, all prop in the child component will be refreshed to the latest value. This means that you should not change th...
first of all, it should be implemented: the left menu appears (below it) when the mouse hovers over the catalogue, and this is achieved. Then when the mouse continues to hover over the left menu item, the corresponding floating submenu is displayed on t...
methods: { setCameraPostion: (()=>{ let _eye = new Vector3(); let eyeDirection = new Vector3(); let target = new Vector3(); let distance, newDistance; return function setCameraPostion(args) { _ey...
Student information management needs to be designed in the project. Contains grade, class, students and other information. but there is a problem. The grade of the students changes every year, and the first grade is promoted to the second grade. how ca...