lunr.js 介绍
lunr.js 实现了在网页上的搜索引擎，类似 Solr。
示例代码：
//定义索引
var idx = lunr(function () {
this.field('title', { boost: 10 })
this.field('body')
})
//添加索引
var doc = {
"title": "Twelfth-Night",
"body": "If music be the food of love, play on: Give me excess of it…",
"author": "William Shakespeare",
"id": 1
}
idx.add(doc)
//搜索
idx.search("love")
//返回结果
[{
"ref": 1,
"score": 0.87533
}]