{
"name": "hanzichi",
"sex": "male"
}
var jsonStr = '{"name": "hanzichi", "sex": "male"}';
var ans = eval('(' + jsonStr + ')');
console.log(ans.name, ans.sex); // hanzichi male
JSON.parse(json字符串 -> js对象)
var jsonStr = '{"name": "hanzichi", "sex": "male"}';
var obj = JSON.parse(jsonStr);
console.log(typeof obj, obj); // object Object {name: "hanzichi", sex: "male"}
var jsonStr = '{"name": "hanzichi", "sex": "male", "age": 10}';
var obj = JSON.parse(jsonStr, function(key, value) {
if(key === 'name') {
return 'my name is ' + value;
}
return value;
});
console.log(typeof obj, obj); // object Object {name: "my name is hanzichi", sex: "male", age: 10}
JSON.stringify(js对象 -> json字符串)
var obj = {name: 'hanzichi', sex: 'male', age: '10'};
var jsonStr = JSON.stringify(obj);
console.log(jsonStr); // {"name":"hanzichi","sex":"male","age":"10"}
var obj = {name: 'hanzichi', sex: 'male', age: '10'};
var jsonStr = JSON.stringify(obj, ['name']);
console.log(jsonStr); // {"name":"hanzichi"}
var obj = {name: 'hanzichi', sex: 'male', age: '10'};
var jsonStr = JSON.stringify(obj, function(key, value) {
if(key === 'name') {
return 'my name is ' + value;
}
return value;
});
console.log(jsonStr); // {"name":"my name is hanzichi","sex":"male","age":"10"}
var obj = {name: 'hanzichi', sex: 'male', age: '10'};
var jsonStr = JSON.stringify(obj, null, 4);
console.log(jsonStr);
// {
// "name": "hanzichi",
// "sex": "male",
// "age": "10"
// }
var obj = {name: 'hanzichi', sex: 'male', age: '10'};
var jsonStr = JSON.stringify(obj, null, 'pre');
console.log(jsonStr);
// {
// pre"name": "hanzichi",
// pre"sex": "male",
// pre"age": "10"
// }
{
"prename": "hanzichi",
"presex": "male",
"preage": "10"
}
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