Folioのトップページからポートフォリオデータを抜く

1. Go visit https://folio-sec.com/

2. Copy the following command on Chrome Developer Tool and execute it
```javascript
[].concat.apply([], Array.from(document.querySelectorAll('section.slider.landingPageSlider div.slider__outer')).map((e)=>{ return Array.from(e.querySelectorAll('a.card')).map((e)=>{ var k = Array.from(e.querySelectorAll('h1.card__name > span')).map((e)=>{return e.textContent}).reduce((c,v)=>{return c+v}); var v = e.querySelector('div.card__return > p').textContent; return {'key':k, 'value':v}})}))
```

3. You will get the json like the following:


[
  {
    "key": "半導体材料",
    "value": "+7.5%"
  },
  {
    "key": "ドローン",
    "value": "+8.1%"
  },
  {
    "key": "宇宙開発",
    "value": "+0.5%"
  },
  ....
  
]