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TextEncoder.encode() - Web API | MDN

TextEncoder.encode()

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TextEncoder.encode() 方法接受一个字符串作为输入,返回一个对参数中给定的文本的编码后的 Uint8Array,编码的方法通过 TextEncoder 对象指定。

语法 参数
string

一个包含了将要编码的文本。

返回值

一个 Uint8Array 对象。

示例
<p class="source">This is a sample paragraph.</p>
<p class="result">Encoded result:</p>
const sourcePara = document.querySelector(".source");
const resultPara = document.querySelector(".result");
const string = sourcePara.textContent;

const textEncoder = new TextEncoder();

let encoded = textEncoder.encode(string);
resultPara.textContent += encoded;
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