Fix Your Decimal Please

toFixed example one

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Today I would like to discuss a handy function when we are working with decimal numbers…toFixed. What this does is truncate a decimal number to whatever number of spaces we pass to the toFixed method. So if we are working with money, for example, we can truncate a calculation to two decimal places…toFixed(2). Here is an example…

[code lang=”js”]
// Create a variable to house a decimal
var myNum = 10.123;
// Display the number truncated

The aforementioned code would display as follows…

toFixed example one


Note: this method does traditional rounding…five (5) or greater will round up.

Happy Coding!

Clay Hess

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