SOURCE

 
 /**
 * 关键词高亮方法
 * searchStr  后台接口数据
 * keyword    关键词
 * color      高亮颜色
 */
 const brightenKeywordFn = (searchStr, keyword,color) => {
    if (keyword && keyword.length > 0) {
      // let keywordArr = keyword.split('')
      let keywordArr = [keyword]
      searchStr = searchStr + ''
      keywordArr.forEach((item) => {
        if (searchStr.includes(item) && item !== '') {
          searchStr = searchStr.replace(
            new RegExp(item, 'g'),
            `<span style="color:${color}">` + item + '</span>'
          )
        }
      })
    }

    return searchStr && searchStr !== 'undefined' ? searchStr : '--'
  }
    const str = '落霞与孤鹜齐飞，秋水共长天一色'
    const key ='秋水'
    const color = 'pink'
    
  brightenKeywordFn(str,key,color)