url.hash
获取和设置网址的片段部分。
const myURL = new URL('https://example.org/foo#bar');
console.log(myURL.hash);
// 打印 #bar
myURL.hash = 'baz';
console.log(myURL.href);
// 打印 https://example.org/foo#baz分配给 hash 属性的值中包含的无效的网址字符会进行百分比编码。
选择要进行百分比编码的字符可能与 url.parse() 和 url.format() 方法产生的结果有所不同。
Gets and sets the fragment portion of the URL.
const myURL = new URL('https://example.org/foo#bar');
console.log(myURL.hash);
// Prints #bar
myURL.hash = 'baz';
console.log(myURL.href);
// Prints https://example.org/foo#bazInvalid URL characters included in the value assigned to the hash property
are percent-encoded. The selection of which characters to
percent-encode may vary somewhat from what the url.parse() and
url.format() methods would produce.