//删除红色的元素 splice(下标,长度)
var arr = ['a','b','c','d'];
arr.splice(1,1);
console.log(arr);
//['a','c','d'];
var arr2 = ['a','b','c','d']
arr2.splice(1,2);
console.log(arr2);
//['a','d']
JS 删除数组中某个元素
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转载自www.cnblogs.com/dmc-nero/p/9652343.html
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