- toString
/**- Returns a string representation of an object.
- @param radix Specifies a radix for converting numeric values to strings. This value is only used for numbers.
*/
toString(radix?: number): string;
按进制转换数字成字符串。radix默认为10进制。
var num = 5;
console.log(num.toString(10));
console.log(num.toString());
console.log(num.toString(2));
console.log(num);
5
5
101
5