Computed Properties
Explore how computed properties in Vue.js optimize performance by caching results and recalculating only when dependencies change. Understand their advantages over methods and how to apply them for efficient reactive data handling in single page applications.
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Sometimes properties that are based on or calculated from some other properties or data variables are needed. For instance, extracting age from “Date of Birth”. Similarly, calculating the total number of employees in a company is only achieved by having a list of all the employee names. To perform such tasks, Vue.js provides computed properties. The following is an executable example of a Vue app that has the list of employee names as a data variable. The total number of employees are computed using the computed property:
You guessed it right! The syntax of computed properties is similar to methods. However, there are many differences in the backend working of computed ...