小程序当前时间转时间戳
1. Date.parse(new Date()); //该方法最后三位数会取整,精确使用的时候不合适
2. (new Date()).valueOf() //该方法可以转为时间戳
console.log(new Date().toDateString()); // Fri Apr 26 2019
console.log(new Date().toGMTString()); //Fri, 26 Apr 2019 05:05:10 GMT
console.log(new Date().toISOString()); //2019-04-26T05:05:10.917Z
console.log(new Date().toJSON()); //2019-04-26T05:05:10.917Z
console.log(new Date().toLocaleDateString()); //2019/4/26
console.log(new Date().toLocaleString()); //2019/4/26 下午1:05:10
console.log(new Date().toLocaleTimeString()); //下午1:05:10
console.log(new Date().toString()); //Fri Apr 26 2019 13:05:10 GMT+0800 (中国标准时间)
console.log(new Date().toTimeString()); //13:05:10 GMT+0800 (中国标准时间)
console.log(new Date().toUTCString()); //Fri, 26 Apr 2019 05:05:10 GMT