[Day17] Sorting Band Names without articles

[Day17] Sorting Band Names without articles

文字顺序排列

需要用到的技巧与练习目标

1. sort
2. trim
3. replace

const bands = ['The Plot in You', 'The Devil Wears Prada', 'Pierce the Veil', 'Norma Jean', 'The Bled', 'Say Anything', 'The Midway State', 'We Came as Romans', 'Counterparts', 'Oh, Sleeper', 'A Skylit Drive', 'Anywhere But Here', 'An Old Dog'];

const strip(bandName){
return bandName.replace(/^(a |the |an  )/i,'').trim();
}

const sortedBands = bands.sort((a,b)=> strip(a)>strip(b)?1:-1)


document.querySelector('#band').innerHTML=sortedBands.map(item =>
`<li>${item}</li>`
).join('');