Object.hasOwnProperty()应用
2020-06-28 04:54
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var data = { 1: '小猫', 2: '小狗', 5: '小鱼' } var obj = {} for (var i = 1; i <= 12; i++) { if (data.hasOwnProperty(i)) { obj[i] = data[i] } else { obj[i] = '...' } }
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