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fghjkt 6 and at max 200 characters long.
(version: 0)
Comparing performance of:
Reactive vs Ref
Created:
2 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://unpkg.com/vue@3"></script>
Tests:
Reactive
const {reactive, ref, computed} = Vue; const v = reactive({ foo: "bar" }); const bar = v.foo; const frog = computed(()=>{ return v.foo + "!"; }); v.foo = "foo"
Ref
const {reactive, ref, computed} = Vue; const v = ref({ foo: "bar" }); const bar = v.value.foo; const frog = computed(()=>{ return v.value.foo + "!"; }); v.value.foo = "foo"
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Reactive
Ref
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Explanation** MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark tests the performance of two different approaches in Vue.js: reactive and ref. **Approaches Compared** The test cases compare the performance of `reactive` and `ref` functions from Vue.js. Both approaches are used to declare reactive state, but they differ in how the state is updated and accessed. **Reactive Approach** In the reactive approach, a new object is created using `reactive`, which makes the property values observable. The `computed` function is used to create a computed property that depends on the reactive state. In this case, the `frog` variable is computed as `v.foo + "!\"`. When the `foo` property of the reactive state changes, the `frog` variable will be updated. Pros: * Easy to use and understand * Automatic dependency tracking Cons: * Can lead to performance issues if the number of dependencies is high * Can be slower due to the creation of a new object for each change **Ref Approach** In the ref approach, a single reference value is created using `ref`, which makes the property values observable. The `value` property of the ref is used to access the underlying value, and changes to this value will trigger updates to dependent properties. Pros: * Can be faster than reactive approach due to reduced object creation * More fine-grained control over dependency tracking Cons: * Requires more manual management of dependencies * Can lead to performance issues if not managed correctly **Library: Vue.js** Vue.js is a progressive and flexible JavaScript framework for building web applications. The `reactive` and `ref` functions are part of the core library, providing a way to manage reactive state and references. The `computed` function is also part of the core library, allowing developers to create computed properties that depend on reactive state or ref values. **Special JS Feature/Syntax** There is no special JavaScript feature or syntax used in this benchmark. It only uses standard JavaScript syntax and Vue.js API. **Alternatives** Other alternatives for managing reactive state and references include: * React: Provides a similar concept of state management using `useState` and `useRef`. * MobX: A reactive state management library that provides similar functionality to Vue's reactive approach. * Redux: A state management library that uses a store to manage global state, but can be used with ref-like approaches for local state management. In summary, the benchmark tests the performance of two different approaches in Vue.js: reactive and ref. The reactive approach is easier to use but may lead to performance issues if the number of dependencies is high, while the ref approach provides more fine-grained control over dependency tracking but requires more manual management.
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