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Showing content from https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Math/SQRT1_2 below:

Math.SQRT1_2

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Math.SQRT1_2 = 1 2 = 1 2 â 0.707 \mathtt{\mi{Math.SQRT1_2}} = \sqrt{\frac{1}{2}} = \frac{1}{\sqrt{2}} \approx 0.707 å¯å å¦ å¯æä¸¾ å¦ å¯éç½® å¦ æè¿°

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function getRoot1_2() {
  return Math.SQRT1_2;
}

getRoot1_2(); // 0.7071067811865476

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