js using Chinese as Object key All In One
js using Chinese as Object key All In One
Unicode, UTF-8, UTF-16, UTF-32
const template = {
logStr: 'logStr',
关闭当前页: 'pagehide',
};
// {logStr: "logStr", 关闭当前页: "pagehide"}
template[关闭当前页]
//❌ Uncaught ReferenceError: 关闭当前页 is not defined
template['关闭当前页']
// ✅ "pagehide"
template.关闭当前页
// ✅ "pagehide"
emoji
const obj = {};
// {}
obj.✅ = 123;
// Uncaught SyntaxError: Invalid or unexpected token
obj[✅] = 123;
// Uncaught SyntaxError: Invalid or unexpected token
obj['✅'] = 123;
// 123
obj;
// {✅: 123}✅: 123__proto__: Object
refs
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