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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@tve
If I have a long string (say 2KB) is there a way to append to it without causing a second copy of the string to be made? E.g., does
str += "more text"cause me to temporarily hold two copies in memory?