const someOp = () => {
console.info('boi')
}
const ops = {
0: someOp,
1: () => null,
2: () => null,
3: someOp,
}
for (let i = 0; i < 4; i++) {
ops[i]();
}
const someOp = () => {
console.info('boi')
}
const enter = 0;
const exit = 3;
for (let i = 0; i < 4; i++) {
if (i === enter) {
someOp();
} else if (i === exit) {
someOp();
}
}
const someOp = () => {
console.info('boi')
}
const ops = {
0: {
func: someOp,
},
3: {
func: someOp,
}
}
for (let i = 0; i < 4; i++) {
ops[i]?.func();
}
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Object | |
If statement | |
Object (optional chain) |
Test name | Executions per second |
---|---|
Object | 18652.3 Ops/sec |
If statement | 16721.7 Ops/sec |
Object (optional chain) | 18261.7 Ops/sec |
Measuring the performance of JavaScript code is crucial in understanding how different approaches and libraries impact execution speed.
Let's break down the provided JSON benchmark:
Benchmark Definition:
The test cases are designed to compare the performance of three approaches:
?.
) to access the func
property of objects in an object.Options Compared:
Pros and Cons:
Library and Syntax Considerations:
The test cases use JavaScript's built-in console.info
function to log messages. There is no specific library used in these examples.
However, it's worth noting that some libraries like Lodash or Ramda might be used to implement similar logic in a more concise way.
There are no special JS features or syntax used in these test cases. They rely on standard JavaScript constructs.
Alternatives:
If you're looking for alternatives to benchmark JavaScript performance, here are a few options:
For measuring JavaScript performance, it's essential to choose a suitable benchmarking library or approach that aligns with your specific use case and goals.