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Strip svg tags
(version: 0)
Comparing performance of:
Regex vs indexOf vs replace
Created:
2 years ago
by:
Guest
Jump to the latest result
Tests:
Regex
const svg = '<svg viewBox="0 0 24 24"><path d="M24 13.714H13.714V24h-3.428V13.714H0v-3.428h10.286V0h3.428v10.286H24v3.428Z"/></svg>'; const body = svg.replace(/<svg.*?>|<\/svg>/gm, '');
indexOf
const svg = '<svg viewBox="0 0 24 24"><path d="M24 13.714H13.714V24h-3.428V13.714H0v-3.428h10.286V0h3.428v10.286H24v3.428Z"/></svg>'; const start = svg.indexOf('>') + 1; const end = svg.lastIndexOf('</'); const body = svg.slice(start, end);
replace
const svg = '<svg viewBox="0 0 24 24"><path d="M24 13.714H13.714V24h-3.428V13.714H0v-3.428h10.286V0h3.428v10.286H24v3.428Z"/></svg>'; const body = svg.replace('<svg viewBox="0 0 24 24">', '').replace('</svg>', '');
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Regex
indexOf
replace
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and its test cases. **Benchmark Overview** The benchmark, called "Strip svg tags", tests three different approaches to remove SVG tags from an HTML string. **Options Compared** 1. **Regex**: This approach uses regular expressions (regex) to match and replace the SVG tags. 2. **indexOf**: This approach uses the `indexOf` method to find the index of the first '>' character, which marks the start of the SVG tag, and then uses slicing to extract the substring between the index and the last '<' character, which marks the end of the SVG tag. 3. **replace**: This approach uses the `replace` method with a regular expression to replace the opening and closing SVG tags. **Pros and Cons of Each Approach** 1. **Regex**: * Pros: Fast and efficient for removing multiple occurrences of the same pattern. * Cons: Can be slower than other approaches for small strings, and may not work well for more complex patterns. 2. **indexOf**: * Pros: Simple and easy to understand, but can be slower than regex due to string slicing. * Cons: May not work well if the SVG tag is nested within another HTML element, or if the closing '>' character appears multiple times. 3. **replace**: * Pros: More efficient than regex for small strings, but may not replace all occurrences of the same pattern. * Cons: Can be slower than regex due to repeated searches. **Library and Purpose** None of the test cases use a specific library beyond the built-in JavaScript methods (Regex, indexOf, and replace). **Special JS Features or Syntax** None mentioned in the benchmark definition. However, it's worth noting that some browsers may have specific features or syntax that can affect performance, such as just-in-time compilation or sandboxing. **Alternative Approaches** Other approaches to remove SVG tags might include: 1. **DOM manipulation**: Parsing the HTML string and removing the SVG tag manually using DOM methods. 2. **String replacement**: Replacing the entire SVG element with an empty string, which can be slower than other approaches due to the overhead of string creation and copying. 3. **Regular expression alternatives**: Using alternative regex engines or patterns that may provide better performance. Overall, the benchmark provides a good representation of different approaches to removing SVG tags from an HTML string, highlighting the trade-offs between speed, complexity, and simplicity.
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