NodeJS
有用链接
- NodeJs 中文文档 https://nodejs.cn/api/
- 平滑版 https://doc.cherrychat.org/node/
util
字符串占位(格式化)
util.format(format[, ...args])
util.format("%s:%s", "foo");
// Returns: 'foo:%s'
util.formatWithOptions({ colors: true }, "See object %O", { foo: 42 });
// Returns 'See object { foo: 42 }', where `42` is colored as a number
// when printed to a terminal.
option 配置对象https://nodejs.org/docs/latest/api/util.html#utilinspectobject-options
返回:格式化字符串
https://nodejs.org/docs/latest/api/util.html#utilformatformat-args