var a = 10;
var b = 2;
var c = 0;
var nonZeroDivisorResult = 0;
var zeroDivisorResult = 0;
if(b){
nonZeroDivisorResult = a/b;
}
else{
nonZeroDivisorResult = 0;
}
if(c){
zeroDivisorResult = a/c;
}
else{
zeroDivisorResult = 0;
}
nonZeroDivisorResult = b ? a/b : 0;
zeroDivisorResult = c ? a/c : 0;
nonZeroDivisorResult = b && a/b;
zeroDivisorResult = c && a/c;
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
IF Logic | |
Ternary Logic | |
AND Logic |
Test name | Executions per second |
---|---|
IF Logic | 1750804.1 Ops/sec |
Ternary Logic | 1743260.2 Ops/sec |
AND Logic | 1724670.4 Ops/sec |
I'll break down the benchmark test cases and explain what's being tested, comparing options, pros and cons, and other considerations.
Benchmark Test Cases:
The test cases measure the performance of three different approaches to handle division by zero errors:
&&
) to combine two conditions: checking for divisibility by zero.Library Used:
None of these approaches require any external libraries.
JavaScript Features/Syntax Used:
?:
)&&
)Now, let's dive into each approach:
if(b){ nonZeroDivisorResult = a/b; } else { nonZeroDivisorResult = 0; }
if(c){ zeroDivisorResult = a/c; } else { zeroDivisorResult = 0; }
Pros: Easy to read and understand, suitable for complex logic.
Cons: May lead to slower performance due to the overhead of conditional checks.
nonZeroDivisorResult = b ? a/b : 0;
zeroDivisorResult = c ? a/c : 0;
Pros:
Cons: May be less readable for those unfamiliar with ternary operators.
nonZeroDivisorResult = b && a/b;
zeroDivisorResult = c && a/c;
Pros:
Cons: May be less readable due to the use of logical AND, which can be unfamiliar to some developers. In this specific case, it's not significantly different from Ternary Logic in terms of readability.
Other Alternatives:
Math.abs()
or Number.EPSILON
).Keep in mind that these alternatives might not be relevant to this specific benchmark test case and may have different performance implications in other contexts.