Using Baidu API (JS), how to get latitude and longitude by address

Find a specific address based on latitude and longitude:
Http://api.map.baidu.com/geocoder?location= latitude, longitude &output= output format type &key= user key
Such as:
http://api.map.baidu.com/geocoder?location=31.407452,121.490523&output=json&key= 6eea93095ae93db2c77be9ac910ff311

Find the latitude and longitude according to the specific address:
http://api.map.baidu.com/geocoder?address= address &output= output format type &key= user key &city= city name

Such as:
http://api.map.baidu.com/geocoder?address= Mudanjiang Road Business Hall &output=json&key=6eea93095ae93db2c77be9ac910ff311 &city=, Shanghai

Https://zhidao.baidu.com/question/497003122.html

Using Baidu API (JS), how to get latitude and longitude by address