TA貢獻1788條經(jīng)驗 獲得超4個贊
var s = 'During the ITB China 2018 held in Shanghai, COTRI presented the CTW Award 2018 in the Special Individual Recognition category to Mr. David L. Shields, Vice President, Sales of Island Routes Caribbean Adventures. CTW Award is recognized inside and outside China as the most important quality sign for the international Chinese outbound market.'
var kv = {}, arr = s.split(/[ , .]/g)
for (var i = 0; i < arr.length; i++)
if (arr[i]) {
kv[arr[i]] = (kv[arr[i]] || 0) + 1
//如果不考慮大小寫用下面的
//kv[arr[i].toLowerCase()] = (kv[arr[i].toLowerCase()] || 0) + 1
}
alert(JSON.stringify(kv, null, 4))
//只考慮重復的可以刪除刪除個數(shù)為1的
for (attr in kv) if (kv[attr] == 1) delete kv[attr]
alert(JSON.stringify(kv, null, 4))
//替換in ==> 在
var kw = 'in', to = '在'
s = s.replace(new RegExp('\\b' + kw + '\\b', 'gi'), to);
alert(s)
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