JavaScript displaying a float to 2 decimal places

2018-06-27 17:07:41

I wanted to display a number to 2 decimal places.

I thought I could use toPrecision(2) in JavaScript .

However, if the number is 0.05 , I get 0.0500 . I'd rather it stay the same.

See it on JSbin.

What is the best way to do this?

I can think of coding a few solutions, but I'd imagine (I hope) something like this is built in?

float_num.toFixed(2);

注意：如果需要， toFixed()将圆或填充零以符合指定的长度。

You could do it with the toFixed function, but it's buggy in IE. If you want a reliable solution, look at my answer here.

尝试toFixed代替toPrecision 。

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