js如何删除对象
可以用高阶函数来处理:
var arr = [
{id:1,name:'aaa'}, {id:2,name:'bbb'}, {id:3,name:'ccc'} ]; arr = arr.filter(item => item.id !== 2)

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可以用高阶函数来处理:
var arr = [
{id:1,name:'aaa'}, {id:2,name:'bbb'}, {id:3,name:'ccc'} ]; arr = arr.filter(item => item.id !== 2)