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innerHTML with var, text, templatestring
(version: 0)
Comparing performance of:
innerHTML with var vs innerHTML with text vs innerHTML with template String
Created:
4 years ago
by:
Guest
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HTML Preparation code:
<div id="container"></div>
Script Preparation code:
var text = 'check' var x = 10000 var i = 0
Tests:
innerHTML with var
while(i<x){ document.getElementById('container').innerHTML = 'this is a ' + text i++ }
innerHTML with text
while(i<x){ document.getElementById('container').innerHTML = 'this is a check' i++ }
innerHTML with template String
while(i<x){ document.getElementById('container').innerHTML = `this is a ${text}` i++ }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
innerHTML with var
innerHTML with text
innerHTML with template String
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks. **Benchmark Definition** The provided JSON represents a benchmark definition for three individual test cases: 1. `innerHTML with var` 2. `innerHTML with text` 3. `innerHTML with template String` Each test case is defined by a JavaScript code snippet that is executed in a loop, with the following components: * A variable `i` initialized to 0 * A variable `x` initialized to 10,000 * An HTML element `<div id="container"></div>` with an empty innerHTML * The benchmark code for each test case: + `innerHTML with var`: uses template literals (`\`${...}\``) to concatenate strings and assign them to the innerHTML of the `<div>`. + `innerHTML with text`: directly concatenates strings using `+` and assigns them to the innerHTML of the `<div>`. + `innerHTML with template String`: also uses template literals (with a different syntax `\${...}\`) to concatenate strings and assign them to the innerHTML of the `<div>`. **Options Compared** The benchmark compares three approaches: 1. **`innerHTML with var`**: uses template literals (`\`${...}\``) with variable `text`. 2. **`innerHTML with text`**: directly concatenates strings using `+` with a hardcoded value. 3. **`innerHTML with template String`**: uses template literals (with a different syntax `\${...}\`) with the same variable `text`. **Pros and Cons** * **Performance:** The order of operations, type coercion, and string creation can impact performance. Template literals are generally faster than concatenation using `+`, as they avoid creating intermediate strings. * **Readability:** The choice of template literals or concatenation affects code readability. Some developers may prefer the syntax of one approach over another. **Library** None of these test cases use any external libraries, so there is no library involved in this benchmark. **Special JavaScript Features/Syntax** Only the first two test cases (`innerHTML with var` and `innerHTML with text`) involve special JavaScript features/syntax: * **Template literals**: used in `innerHTML with var` and `innerHTML with template String`. Template literals provide a more readable way to concatenate strings, as they allow inserting expressions inside backticks (``) without the need for explicit concatenation. * **Type coercion**: implied by using `+` to concatenate strings in `innerHTML with text`, which can lead to type coercion issues if not handled properly. **Alternatives** If you were to rewrite this benchmark, you might consider alternative approaches: 1. Use a more comprehensive benchmarking framework that supports multiple test cases and provides detailed analysis of performance results. 2. Experiment with different optimization techniques, such as: * Minifying or compressing the code before execution. * Using specialized JavaScript engines or runtime environments (e.g., V8). * Investigating the impact of various hardware configurations (e.g., CPU, RAM, cache size) on benchmark performance. Keep in mind that microbenchmarks should be designed to isolate specific performance characteristics and avoid introducing system-level noise.
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