JavaScript 箭头函数在数组排序中的应用?-灵析社区

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### JavaScript箭头函数 let x = [1,2,3,4,5,6,7,8]; **x.sort( (a,b) = > b-a );** console.log(x); 实现逆序的原理是什么? 求大佬解惑

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这两篇文章有原理以及源码解读很清楚: «"https://juejin.cn/post/7130939610493878308" (https://link.segmentfault.com/?enc=C0mA8ZIb7qTc3vj84uVgxg%3D%3D.zGsdP0%2BpF5lihe14wH7pIWUIRIcgzNcx%2B1QC38eHHcEYvGrbYcG2PzU5f6K6yDwa)"https://juejin.cn/post/6844904118289432590#heading-0" (https://link.segmentfault.com/?enc=3GpatPcu7ofTFZAkzdZKjg%3D%3D.OOANGujBCOKvOB7b4qJQrs9l5DLx3jwF93O0o0o%2FSdi6iqi9nofdB9ZLcpWhbuyQsAmD3H9EdqwY73L%2BVpXbZQ%3D%3D)»