js 类型转换

js 类型转换

		//类型转换的使用技巧const number = 99;const string = '99';const int = "99asdfa";const float = "99.123asdfa";console.log(string*1);//字符串转数值console.log(Number(string));//字符串转数值console.log(String(number));//数值转字符串console.log(number+"");//数值转字符串console.log(parseFloat(float));//提取字符串中前面的浮点型数值console.log(parseInt(int));//提取字符串中前面的整型数值console.log(float.split(""));//字符串转数组console.log(array.join(""));//数组转字符串