BLOCK
BREAK᠁ Empty stat… \n
ecma5… my marks…[^2]
://.+.mozilla.org/ja/docs/Web/JavaScript/Reference/
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let sector;
{
// These variables are scoped to this block and are NOT
// accessible AFTER the “}”
var angle = Math.PI / 3;
var radius = 10;
sector = {
radius,
angle,
area: (angle / 2) * radius ** 2,
perimeter: 2 * radius + angle * radius,
};
}