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      JS string fontsize()

      已废弃
      该特性已经从 Web 标准中删除,虽然一些浏览器目前仍然支持它,但也许会在未来的某个时间停止支持,请尽量不要使用该特性。

      The fontsize() method creates aHTML element that causes a string to be displayed in the specified font size.

      Usage note: The element has been removed in HTML5 and shouldn’t be used anymore. Instead web developers should use CSS properties.

      语法

      str.fontsize(size)
      

      参数

      size

      An integer between 1 and 7, a string representing a signed integer between 1 and 7.

      返回值

      A string containing a HTML element.

      描述

      When you specify size as an integer, you set the font size of str to one of the 7 defined sizes. When you specify size as a string such as “-2”, you adjust the font size of str relative to the size set in the tag.

      示例

      使用fontsize()方法

      The following example uses string methods to change the size of a string:

      var worldString = 'Hello, world';
      
      console.log(worldString.small());     // Hello, world
      console.log(worldString.big());       // Hello, world
      console.log(worldString.fontsize(7)); // Hello, world
      
      

      With the element.styleobject you can get the element’s style attribute and manipulate it more generically, for example:

      document.getElementById('yourElemId').style.fontSize = '0.7em';
      
      

      规范

      SpecificationStatusComment
      ECMAScript 2015 (6th Edition, ECMA-262)String.prototype.fontsizeStandardInitial definition. Implemented in JavaScript 1.0. Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.
      ECMAScript Latest Draft (ECMA-262)String.prototype.fontsizeDraftDefined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.

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