1. Design a simple interface with the following html code:
The css style code is as follows:
The page at this time is as follows:
2. Design and implement this function. The specific code is as follows, bind the button in the first step.
The html code at this time is as follows:
3. After the design is completed, give a demonstration, enter the total number of minutes, for example, 200, and then click Convert to perform the following operations.
Extended data:
Functional analysis of topic: JavaScriptfloor () method. The floor () method performs a round-down calculation, which returns the nearest integer less than or equal to the function parameter.
1, definition and usage: The floor () method can round down a number.
2. Grammar: Math.floor(x), required by x, any numerical value or expression.
3. Return value: an integer less than or equal to X and closest to X. ..
More examples:
The outputs are: 0, 0, 5, 5, -6 and -6 respectively.