Vue some comparative

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Vue some comparative

A, methods and computed

• computed is computed attribute, methods method.
• It is computed based on the computed attribute for their dependenciesCacheof
• computed only when its associated changes will depend re-evaluated
• As for the method, as long as the occurrence of re-rendering, method invocationFederationExecution of the function
• Using methods each time you do need to reload, do not need to cache; large amount of data needs to be cached when using computed: short

Two, computed and watch

• Property is calculatedComputed Property，Listener watchA listener watch
• Listener is listening watch a specific value, a specific function is executed when the value change

three, $router and$ route

• VueRouter router is an example of a global router corresponding to the object, which contains a lot of attributes and sub-objects
• route routing object that is currently equivalent to jump. . You can get name, path, params, query and so on from the inside
• Print this. $route和this.$router，Two simultaneous presence。
• Parameter passing both the same manner