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。
bold()
方法会创建
HTML 元素 “b”,并将字符串加粗展示。
语法
str.bold()
返回值
包含HTML元素 <b>
的字符串。
描述
bold()
方法将一个字符串嵌入到<b></b>标记中。
示例
使用bold()
下面的例子使用字符串方法来改变字符串的格式。
var worldString = 'Hello, world'; console.log(worldString.blink()); // <blink>Hello, world</blink> console.log(worldString.bold()); // <b>Hello, world</b> console.log(worldString.italics()); // <i>Hello, world</i> console.log(worldString.strike()); // <strike>Hello, world</strike>
规范
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) String.prototype.bold |
Standard | Initial 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.bold |
Draft | Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers. |
浏览器兼容性
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains.
Find out how you can help!
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | 1.0 (1.7 or earlier) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | 1.0 (1.0) | (Yes) | (Yes) | (Yes) |