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textContent vs insertAdjacentText 500x
(version: 2)
Comparison of adding to a string using textContent versus insertAdjacentText
Comparing performance of:
textContent vs insertAdjacentText
Created:
4 years ago
by:
Registered User
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HTML Preparation code:
<p id="progress">Progress: </p>
Script Preparation code:
p = document.getElementById('progress');
Tests:
textContent
for (let i = 0; i < 500; i++) { p.textContent += '#'; } p.textContent = '';
insertAdjacentText
for (let i = 0; i < 500; i++) { p.insertAdjacentText('beforeend', '#'); } p.textContent = '';
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
textContent
insertAdjacentText
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 on MeasureThat.net. The provided benchmark is designed to compare two approaches for adding strings to an element's text content: `textContent` and `insertAdjacentText`. To understand this, let's first examine the options being compared: 1. **textContent**: This method involves appending characters directly to the existing text content of an element using the `+=` operator. 2. **insertAdjacentText**: This method uses a specialized API that inserts a piece of text into an element at a specific position (in this case, "beforeend"). Now, let's discuss the pros and cons of each approach: **textContent** Pros: * Simple and widely supported * No need for additional DOM manipulation Cons: * Can be slower than `insertAdjacentText` due to string concatenation overhead * May not perform as well on older browsers or those with limited DOM support **insertAdjacentText** Pros: * Specifically designed for inserting text into the DOM, making it more efficient * Less prone to string concatenation issues and performance regressions Cons: * Requires additional browser support (only available in modern browsers) * May have higher memory usage due to the need for a temporary buffer Now, let's consider other alternatives: 1. **innerHTML**: This method involves setting the innerHTML of an element using a string containing the desired text content. However, it's generally discouraged due to security concerns and potential performance issues. 2. **appendChild** with a **Text** node: Another approach would be to create a new Text node and append it to the element using `appendChild`. This method has similar performance characteristics to `insertAdjacentText` but requires more overhead due to DOM node creation. In terms of special JS features or syntax, there aren't any specific considerations in this benchmark. The focus is on comparing the performance of two established methods for inserting text into an element's content. Keep in mind that the choice between these approaches depends on your specific use case and requirements. If you need to insert a large amount of text into an element frequently, `insertAdjacentText` might be the better choice due to its optimized performance. However, if you're working with older browsers or have limited DOM support, `textContent` might still be a viable option. The provided benchmark result shows that Chrome Mobile 107 outperforms Chrome Mobile 107 using `textContent`, likely due to the optimized implementation of `insertAdjacentText`.
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createTextNode vs textContent vs innerText
createTextNode vs textContent vs innerText vs append
createTextNode vs textContent vs innerText vs append vs new Text
innerText vs insertAdjacentText
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