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Convert string to number javascript11/24/2023 parseFloat() picks the longest substring starting from the beginning that generates a valid number literal.parseFloat() can also parse and return Infinity or -Infinity if the string starts with "Infinity" or "-Infinity" preceded by none or more white spaces.Leading spaces in the argument are trimmed and ignored.The e/ E character can only appear once, and only if there is at least one digit before it. The decimal point can only appear once, and only before the e/ E character. The +/ - signs can only appear strictly at the beginning of the string, or immediately following the e/ E character. ), exponent indicator ( e or E), and the "Infinity" literal.
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