Computed properties of Vue

This time I will bring you the calculationproperties of Vue. What are theprecautionswhen using Vue to calculate properties? The following is a practical case, let’s take a look.

VueObject, according to the current learning progress, can be divided into:

where el represents the role of theHTML element;

data represents all data in el;

methods representsevents on all elements in el;

computed represents calculated attributes , used to calculatevariablesin data to generate new required data, such as averages, etc. Different from methods, the computed value will only be recalculated when the data changes, while the methods method needs to be called at a time. Will reduce performance.

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

Detailed explanation of event model

How to use event loop

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