freeengles

摘要： /** * Created by Jeco on 2018/11/27. */var aa = 'a'console.log(typeof (a))console.log(a)var num1 =10;var num2=10;var sum = num1 + num2 ;//把sum自动转换成字符串做拼接console.log("sum =" +sum)===================... 阅读全文