Created by Steve HarrisonLinked to 74.4m issues across 167 teams
To make the first letter of a string uppercase in JavaScript, you can use the following function:
function capitalizeFirstLetter(string) { return string.charAt(0).toUpperCase() + string.slice(1); }
This function takes a string as an argument and returns the same string with the first letter capitalized. It is important to note that this function does not modify the String.prototype
, which can cause maintainability issues if other code uses the same name or if a browser adds a native function with the same name in the future.
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