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Angular's dynamic attempt to learn notes

. Children (). Data (' $ngControllerController ', controller); A } at - link (scope); - } - }; -}This is the instruction code of Ngview, here we mainly focus on two words:$element. HTML (locals. $template);//inserts the read HTML into the corresponding DOM objectvar link = $compile ($element. Contents ());//Compile HTML templateSo, the new template (trying) just needs to be newly compiled.All right, so let's do an auxiliary method (I just learned

Learn about the hooks introduced by react in 10 minutes

Tag: Date () DoS service is supported. "Hello everyone, I am Gu amo. Today I want to introduce it...". Hahaha, I thought of this beginning when I saw this question. Recently, react officially announced at the 2018 reactconf conference that react v16.7.0-Alpha will be introduced into hooks. Therefore, it is necessary for us to understand hooks and the problems arising therefrom. Of course, the best and most

Angular Custom Directives scope properties Learn notes

Directives are used very frequently in angular projects, and we need custom directives when their own instructions do not meet our needs.In angular, scope is a very important concept. Similarly, to define a directive, we also need to set his sope;Angular provides three types of Scope:① for custom directives that do not create separate scopes, use the parent scope

The beast's angular Api learn, translate and understand-$rootScope. Scope

).$on (Name,listener);Listens for events of a given type.Name: The event name of the listener.Listener: The function that is called when an event occurs.$emit (Name,args);Propagates the specified event to the parent registered scope until the root scope.Name: The names of the events emitted.Args: One or more optional parameters that will be passed to the event listener.$broadcast (Name,args);Broadcasts the specified event to a subordinate registered scope.Name: The names of the events emitted.Ar

Five minutes to learn react (iv): What is JSX

formatName(user) { return user.firstName + ' ' + user.lastName;}const user = { firstName: 'Harper', lastName: 'Perez'};const element = ( Inside the JSX, we can execute the method (function) and enter the object. You can output string variables directly, and so on. This is {} similar to the syntax in PHP .3. Jsx defined attribute (Attribute)const element = The JSX attribute definition follows the CamelCase principle. If you define the default properties for HTML tags, you can use the rules

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