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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);
| // }
|
|
| let a = 4
| let b = new Number(4)
| let c = '4'
| console.log(a == b);
| console.log(a === b);
| console.log(a == c);
| console.log(b === c);
|
|
