手机信息中位脱敏

desensitization(str, beginLen, endLen) {
	var tempStr = ''
	var len = str.length
	var firstStr = str.substr(0, beginLen)
	var lastStr = str.substr(endLen)
	var middleStr = str.substring(beginLen, len - Math.abs(endLen)).replace(/[\s\S]/gi, '*')
	tempStr = firstStr + middleStr + lastStr
	return tempStr
},

const newStr = desensitization('12345678901', 3, -3)
console.log(newStr) // '123*****901'