JS搜索关键词高亮 ¶

/**
 * JS搜索关键词高亮, 英文大小写都能搜到
 * @param   {string} content     内容
 * @param   {dtring} searchValue 关键词
 * @param   {string} color       关键词高亮颜色值，默认 red            
 * @returns {string}             html
 */
const searchKeyValue = function (content: string, searchValue: string, color: string = 'red'): string{
  const reg = new RegExp(searchValue.trim(),'gi');
  let start = 0;
  let end = 0;
  let newStr = '';
  let arr;
  while((arr = reg.exec(content)) !== null){
    end = arr.index;
    newStr = newStr + content.slice(start,end);
    start = end;
    end = reg.lastIndex;
    newStr = `${newStr}<span style="color: ${color}">${content.slice(start,end)}</span>`
    start = end;
  }
  return newStr + content.slice(end);
}

/**
 * JS搜索关键词高亮, 英文大小写都能搜到
 * @param   {string} content     内容
 * @param   {dtring} searchValue 关键词
 * @param   {string} color       关键词高亮颜色值，默认 red            
 * @returns {string}             html
 */
const searchKeyValue = function (content: string, searchValue: string, color: string = 'red'): string{
  const reg = new RegExp(searchValue.trim(),'gi');
  let start = 0;
  let end = 0;
  let newStr = '';
  let arr;
  while((arr = reg.exec(content)) !== null){
    end = arr.index;
    newStr = newStr + content.slice(start,end);
    start = end;
    end = reg.lastIndex;
    newStr = `${newStr}<span style="color: ${color}">${content.slice(start,end)}</span>`
    start = end;
  }
  return newStr + content.slice(end);
}