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why don’t have function by commonJS way?, have below code: exports.add = function(a, b) { return a + b } add(2, 3) //-> ReferenceError: add is not def 阅读全文
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kata <4kyu>Guess the Digits and Expression Description: Give you a multiplication arithmetic expression: ABC * CBA = 39483 Each character represents a 阅读全文
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HTML getBoundingClientRect方法的返回值是一个包含width height top right bottom left的对象: var rect = document.querySelector('.div1').getBoundingClientRect() HTML精确定 阅读全文