LONDON | ITP_MAY | Mirabel Adom | Module-Structuring-and-Testing-Data | Sprint-1 #619
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| //In line 3, the assignment operator, '=' assigns the value 'count + 1' to the variable: 'count'. | ||
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Operation like count = count + 1 is very common in programming, and there is a programming term describing such operation.
Can you find out what one-word programming term describes the operation on line 3?
| * - Returns a pseudo-random floating-point number between 0 (inclusive) and 1 (exclusive). | ||
| * - E.g., 0.000... to 0.999... |
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We can also use the concise and precise interval notation to describe a range of values.
[,]=> inclusion(,)=> exclusion
For example, we can say, "Math.random()returns a random number in the interval[0, 1)"
| //Answer: | ||
| //There was an error in line 5 because a comma was missing. | ||
| // Instead of the original example in line, which was: replaceAll(", " "")). I inserted a comma in order to fix the code: replaceAll(", ", "")); |
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A comma is missing between "," and "" in the function call.
Can you find out the programming term for "," and "" so that we can more accurately describe
"a comma is missing between the ___________."
| //5. const pence = paddedPenceNumberString .substring(paddedPenceNumberString.length - 2) .padEnd(2, "0"); | ||
| // This gets the last two digits from the string to show the pence. | ||
| // If the result is only one digit, it adds a zero at the end to make it two digits. | ||
| // In this case, "399" gives us "99", so nothing additional is added. |
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Could we expect this program to work as intended for any valid penceString if we deleted .padEnd(2, "0") from the code?
In other words, do we really need .padEnd(2, "0") in this script?
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