NKid's 預防痴呆筆記本

	var path = require('path'),
	fs = require('fs');

	function fromDir(startPath, filter, callback) {

	//console.log('Starting from dir '+startPath+'/');

	if (!fs.existsSync(startPath)) {
	console.log("no dir ", startPath);
	return;
	}

	var files = fs.readdirSync(startPath);
	for (var i = 0; i < files.length; i++) {
	var filename = path.join(startPath, files[i]);
	var stat = fs.lstatSync(filename);
	if (stat.isDirectory()) {
	fromDir(filename, filter, callback); //recurse
	} else if (filter.test(filename)) callback(filename);
	};
	};

	fromDir('../LiteScript', /\.html$/, function(filename) {
	console.log('-- found: ', filename);
	});

	var arrObj = [{
	id: 1,
	title: 'a'
	}, {
	id: 1,
	title: 'a'
	}, {
	id: 2,
	title: 'b'
	}];
	//過濾id重複
	var arrUnique = arrObj.filter((obj, pos, arr) => {
	return arr.map(x => x['id']).indexOf(obj['id']) === pos
	});
	//找出重複id
	var arrDuplicate = arrObj.filter((obj, pos, arr) => {
	return arr.map(x => x['id']).indexOf(obj['id']) !== pos
	});

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