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Node.js Buffer.isEncoding() 方法

❮ Buffer 模块


示例

检查 Buffer 是否支持 utf8 编码

console.log(Buffer.isEncoding('utf8'));
运行示例 »

定义和用法

Buffer.isEncoding() 方法如果指定的编码受支持则返回 true


语法

Buffer.isEncoding(encoding);

参数值

参数 描述
encoding 必需。要测试的编码。通常这些编码在 Node.js 中受支持
"ascii"
"utf8"
"utf16le"
"ucs2"
"base64"
"latin1"
"binary"
"hex"

技术细节

返回值 布尔值,如果指定的编码受支持则为 true,否则为 false
Node.js 版本 0.9.1

更多示例

示例

检查 Buffer 是否支持 utf8 编码

console.log(Buffer.isEncoding('windows-1252'));
运行示例 »

❮ Buffer 模块

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