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| const shape = {
| radius: 9,
| d() {
| return this.radius * 2;
| },
| p: () => 2 * Math.PI * this.radius,
| };
|
| console.log(shape.d());
| console.log(shape.p());
|
| const str = 'abc';
| if (str[0] >= 'a' && str[0] <= 'z') {
| let a = parseInt(str[0]);
| a -= 32;
| console.log(a);
| }
|
|
