javascript - 小时到分钟 00:00 到 00 javascript

Question

我需要在Javascript中将小时：分钟（00:00）转换为分钟00。

我考虑过使用 substr 分别获取小时和分钟，然后将小时部分乘以 60，然后添加分钟部分。

有没有其他简单的方法可以做到这一点？

Answer 1

It's pretty easy with split:

var str = "04:17";
var parts = str.split(":");
var minutes = parseInt(parts[0], 10) * 60 + parseInt(parts[1], 10);
console.log(minutes); // 257 (four hours and seventeen minutes)

Answer 2

To split in hour and minute, you can use the split() function on the String object:

"12:05".split(':');

--> ["12", "05"]

Then you need to convert the Strings in the array to integers with parseInt:

var hours = parseInt("12", 10);
var minutes = parseInt("05", 10);

Then rest is simple calculation:

var total = hours * 60 + minutes;