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balance-text

> 编程语言
开源

一个用于实现在网页中包装文本平衡的插件

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工具介绍

一个用于实现在网页中包装文本平衡的插件

BalanceText

A utility to provide an alternate text wrapping algorithm. I hope to get this into the CSS spec, so it's implemented as an optional "polyfill". It already appears in the CSS Text Module Level 4 Editor's Draft.

The default text rendering algorithm is:

  1. Add 1 word at a time to the current line until the next word won't fit.
  2. Break text so that the next word starts on a new line.
  3. Repeat until all text has been rendered.

That algorithm guarantees that the text is rendered using the least number of lines, but when text is centered and wraps to more than 1 line, it can produce visually undesirable results such as a long line of centered text followed by a short line of centered text. What I want is for the text to be balanced across lines. By "balanced across lines", I mean that the text is rendered so that the amount of text on each line is about the same. This plugin implements a line-breaking algorithm to do that automatically.

How it works

Here is a simple Balance Text setup:

  <style type="text/css">
  /* Plugin looks for elements with class named "balance-text" */
  .balance-text {
      text-wrap: balance;  /* Apply (proposed) CSS style */
  }
  </style>

  <script src="balancetext.min.js"></script>
  <script>
    balanceText();
  </script>

See the demo provided or this online version for a working sample.

If you call balanceText(), Balance Text will automatically run on any elements with balance-text class:

  • when the page loads (DOM Ready event)
  • when it is resized

You may also manually trigger it, e.g. if you're dynamically adding text to the DOM:

    balanceText(el);       // Balance a single element
    balanceText([el, el]); // Balance a list of elements
    balanceText('.el');    // Balance a list of elements based on query selector

This will apply the balance-text formatting once. If you'd like to re-apply automatically during window resize, you can use pass an options parameter instead:

    balanceText(el, {watch: true});

If you need to manually re-balance all triggered elements, use:

    balanceText.updateWatched();

How to use with jQuery

This library used to be implemented as a jQuery plugin (as of v2.0.0) but was re-written as a native utility (as of 3.0.0). If you'd like to continue using the jQuery interface, you can continue using 2.0.0 (link below).

You can also migrate to balanceText() from jQuery using this guide (shown compared to the 2.0.0 interface):

…

Use from a CDN

//cdnjs.cloudflare.com/ajax/libs/balance-text/3.3.1/balancetext.min.js

//cdn.jsdelivr.net/npm/[email protected]/balancetext.min.js

Legacy (3.2.1)

Support for Internet Explorer was dropped in v3.3.0, so use v3.2.1 for IE support.

//cdnjs.cloudflare.com/ajax/libs/balance-text/3.2.1/balancetext.min.js

//cdn.jsdelivr.net/npm/[email protected]/balancetext.min.js

Legacy (2.0.0)

Has a hard requirement on jQuery.

//cdnjs.cloudflare.com/ajax/libs/balance-text/2.0.0/jquery.balancetext.min.js

//cdn.jsdelivr.net/jquery.balancetext/2.0.0/jquery.balancetext.min.js

Requirements

BalanceText does not have any dependencies. BalanceText is designed to run in most modern browsers.

Development

Linting

Make sure the code passes ESLint

npm run lint

Minification

We minify using Uglify-JS

npm run build

Creating a new Release

  1. Pull Request:

    • Add a test
    • Update version numbers: package.json, bower.json
    • Update minifed version, if necessary: balancetext.min.js
    • Update README.md, including links to new not-yet-created CDNs
  2. Create new github Release

    • cloudflare CDN is automatically created
  3. Update npm

    • npm publish (may need to npm adduser)
    • jsdeliver CDN is automatically created
  4. Update vanity page: gh-pages branch

Contributing

Contributions are welcomed! Read the Contributing Guide for more information.

Changelog

  • v 1.0.x - Initial Release, bug fix by chrisbank, better break point detection mmcgahan
  • v 1.1.0 - Fix bugs submitted by rodneyrehm, colmjude
  • v 1.2.x - text-align:justify (hunterjm) line-height (jonathanpatt), right aligned text fix
  • v 1.3.x - Debounce resizing events, more accurate space width estimate
  • v 1.4.0 - Add support for nested tags (rileyjshaw)
  • v 1.5.0 - Re-balance text on resize for manually triggered selectors (rileyjshaw)
  • v 1.6.x - Add balanceTextUpdate() method (rileyjshaw), bug fixes (bfred-it)
  • v 1.7.0 - Hack for partially working with jQuery 3, remove deprecation warning
  • v 2.0.0 - Fix automatic updating of custom selectors for jQuery 3 (bfred-it)
  • v 3.0.0 - Remove the jQuery dependency (BrianGenisio, bfred-it)
  • v 3.1.x - Support for hyphens, white-space:nowrap
  • v 3.2.x - Support for unwatch (weotch), non-breaking-space fix (bjnsn)
  • v 3.3.x - Support Server Side rendering (jakimarks), accessibility fix (jonjahr)

GitHub Issues· 0 开放

在 GitHub 查看全部

暂无开放 Issues,或尚未同步最近议题。

核心特点

  • •when the page loads (DOM Ready event)
  • •when it is resized
  • •Add a test
  • •Update version numbers: package.json, bower.json
  • •Update minifed version, if necessary: balancetext.min.js
  • •Update README.md, including links to new not-yet-created CDNs
  • •cloudflare CDN is automatically created
  • •npm publish (may need to npm adduser)
  • •jsdeliver CDN is automatically created
  • •v 1.0.x - Initial Release, bug fix by chrisbank, better break point detection mmcgahan

> 标签

JavaScript

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> 工具信息

发布日期2026年8月1日
最后更新2026年9月17日
分类编程语言
定价开源

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