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We can round decimal numbers to the nearest integer using the math dot round function.

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In this example we use the math dot round function to round the value of fifteen point four to the nearest

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integer.

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Since the value after the decimal is below point five the number will be rounded to 15 we can test this

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in our web browser to confirm the results.

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This is the output in our web browser and we can see that fifteen point four has been rounded to 15.

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Now if we update the value to fifteen point six the number will be rounded to 16

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to specify whether the value should be rounded up or down.

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We can use the math dot seal or math dot floor function.

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Let's go ahead and specify that we want fifteen point six to be rounded down so we'll change it to math

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dot floor after saving the file and refreshing the page.

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We can see that it now rounds down if we wanted to rounded up to 16 we can specify that by putting math

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dot seal

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and once we refresh the web browser we can see that the value has now been rounded up to 16.