1. <script>
    2. var str = ' sdsdsd '
    3. console.log(str.trim());
    4. </script>
    1. <script>
    2. var dog = {
    3. dName: '可可',
    4. type: '阿拉斯加犬',
    5. age: '5岁',
    6. color: '棕红色',
    7. call: function() {
    8. console.log('汪汪叫');
    9. },
    10. tail: function() {
    11. console.log('摇尾巴');
    12. }
    13. };
    14. console.log(dog.dName);
    15. console.log(dog.type);
    16. console.log(dog.age);
    17. console.log(dog.color);
    18. dog.call();
    19. dog.tail();
    20. </script>