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The ceiling method returns the smallest
integer that is not less than the value of number1.
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The floor method returns the largest
integer that is not greater than the value of number1.
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The number method converts object1 to a numerical value according to the following rules:
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Boolean true is converted to 1; Boolean false is converted
to 0.
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A string that includes whitespace at the beginning and end,
a minus sign, and a number (where the whitespace and minus sign are optional)
is converted to the closest IEEE 754 number.
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Strings that do not compute to a numerical value are converted
to NaN.
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A set of nodes is converted to a string and then converted
as a string (as described above).
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The number literal method allows
you to create a number of fixed length and content. You can type the value
directly into the method box.
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The round method rounds the value
of number1 to the nearest integer.
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The sum method returns the total
value of the set of numeric values in node-set1.
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