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API Float64Array
Liu.Yandong.Hanks edited this page Aug 19, 2026
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固定长度双精度浮点数组
Fixed-length double-precision floating-point array
Overview
Float64Array 使用连续的原生 double 存储分数、一般数值、NaN 和无穷值。长度固定,不支持动态增删元素。
Float64Arrayuses contiguous nativedoublestorage for fractions, general numeric values,NaN, and infinities. Its length is fixed and elements cannot be dynamically added or removed.
Parameters:
-
length
可选的非负长度。Optional non-negative length.
Returns
元素初始化为 0 的 Float64Array。
An array initialized to
0.
var weights = new Float64Array(2);
weights[0] = 1.25;
return weights[0];用途
返回固定长度。
Returns the fixed length.
return new Float64Array(5).length; // 5Parameters:
-
value
可选数值;缺省为0。Optional number; defaults to
0.
Returns
当前数组。
This array.
var rates = new Float64Array(3);
rates.fill(0.5);
return rates[1]; // 0.5AuroraScript.JIT 4.0.0 · Documentation Home · Repository · MIT License