The snippet library.
Small, practical examples. Search by task or narrow things down below.
Calculate a simple total
JavaScript: Multiply a unit price by a quantity, then add a delivery fee.
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Call a library function
JavaScript: Use a standard absolute-value function with a small negative number.
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Choose between two branches
JavaScript: Use if and else to handle an available or empty stock count.
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Combine text with a name
JavaScript: Construct a greeting from a fixed prefix and a stored name.
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Compare a value with a limit
JavaScript: Turn a comparison into a readable yes or no result.
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Convert known numeric text to an integer
JavaScript: Convert a trusted literal to an integer before adding. Validate external input before converting it.
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Count the items in a collection
JavaScript: Read the collection’s length instead of hard-coding the loop limit.
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Divide using a fractional number
JavaScript: Use a floating-point operand to preserve the fractional part of a division.
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Explain a calculation with a comment
JavaScript: Keep the code executable while documenting why a fixed input is used.
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Find what remains after division
JavaScript: Use the remainder operator to count items left after forming complete groups.
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Handle three possible outcomes
JavaScript: Check high, normal and low values with an ordered conditional chain.
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Measure a short text value
JavaScript: Read the length of an ASCII string. Non-ASCII text may use multiple code units or bytes depending on the language.
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