Convert String to number in js to compare _ javascript skills

Strings are compared if they are not converted, and the result is a headache. The following describes how to convert string to number in js. If you need to convert String to number, you can refer to the string for comparison if it is not converted, the result is a headache.

When I write it, I don't want to convert it. Then I will give it a rough test,

1 <2

Right.

Then

5.002> 21.003

Amazing results

Before converting the data type>, <When determining, the system compares the unicode encoded value, and any result is possible <p>

ParseFloat (str1)> parseFloat (str2)

Or

Str1 * 1> str2 * 1

When comparing data in js, do not forget the conversion type!