Is There a jQuery Equivalent to `document.createElement`?-JS Tutorial-php.cn

Is There a jQuery Equivalent to `document.createElement`?

Linda Hamilton

Release： 2024-11-27 03:41:10

Original

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Is There a jQuery Equivalent to `document.createElement`?

jQuery's Alternative to document.createElement

Question:

While refactoring old JavaScript code, the author found a significant amount of DOM manipulation and asked if jQuery could provide a better way to handle it. Specifically, they wanted to know if there was a jQuery equivalent to document.createElement.

Answer:

Yes, jQuery offers a convenient way to create elements. Instead of using document.createElement, you can use the $() function. Here's an example equivalent to the original code using jQuery:

this.$OuterDiv = $('<div></div>')
    .hide()
    .append($('<table></table>')
        .attr({cellSpacing: 0})
        .addClass("text")
    );

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This approach allows you to create and manipulate elements in a more concise and chainable manner.

Benchmark:

The author also conducted a benchmark to compare the performance of creating elements using $('

'), $('

'), and document.createElement('div') across different versions of jQuery.

The results showed that document.createElement was generally the fastest method. However, the differences in performance, especially for the latest versions of jQuery, were minimal and equated to approximately an additional 3 milliseconds per thousand elements.

Conclusion:

While document.createElement is still the fastest method for creating elements, the jQuery $() function provides a more convenient and chainable approach for DOM manipulation. The performance difference is negligible, so choosing the method that best suits your development style is ultimately up to you.

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