删除 json 元素 - JavaScript?
javascriptweb developmentfront end technologyobject oriented programming
假设以下是我们的 JSON 字符串减去
var details =
[
{
customerName: "Chris",
customerAge: 32
},
{
customerName: "David",
customerAge: 26
},
{
customerName: "Bob",
customerAge: 29
},
{
customerName: "Carol",
customerAge: 25
}
]
要删除 JSON 元素，请在 JavaScript 中使用 delete 关键字。
示例
以下是删除 JSON 元素的完整代码 −
var details =
[
{
customerName: "Chris",
customerAge: 32
},
{
customerName: "David",
customerAge: 26
},
{
customerName: "Bob",
customerAge: 29
},
{
customerName: "Carol",
customerAge: 25
}
]
delete details[0].customerAge;
console.log(details);
要运行上述程序，您需要使用以下命令 −
node fileName.js.
这里我的文件名是demo211.js −
PS C:\Users\Amit\JavaScript-code> node demo211.js
[
{ customerName: 'Chris' },
{ customerName: 'David', customerAge: 26 },
{ customerName: 'Bob', customerAge: 29 },
{ customerName: 'Carol', customerAge: 25 }
]
