⚖️dot notation vs. decimal point
🚧 施工中
JS ⟩ values ⟩ object ⟩ property ⟩ name ⟩ dot notation ⟩ vs. decimal point
dot notation (.):refers to an object's member.
decimal point:used for number literals.
replit:dot notation
// ⭐️ differantiate "dot notation" from a "decimal point"
// • method 1: use "white spaces"
77 .toExponential(), // (an extra) space
77 // new line
.toExponential(),
// • method 2: use (...)
(77).toExponential(), // (recommended) ⭐️
// • method 3: use explicit "."
77..toExponential(), // 77. === 77.0
77.0.toExponential(), // 0 is optional
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