在Javascript对象中搜索特定ID的位置?
我有一个Javascript对象,有很多不同的部分。如何搜索所有部分以查找特定ID的位置?我正在搜索的ID不在特定位置,可以位于任何树分支中 例如,我正在搜索此ID:在Javascript对象中搜索特定ID的位置?,javascript,Javascript,我有一个Javascript对象,有很多不同的部分。如何搜索所有部分以查找特定ID的位置?我正在搜索的ID不在特定位置,可以位于任何树分支中 例如,我正在搜索此ID: xobmnbjxg0g_1527269346261 var app = { "structure": [ { "id": "0", "type":"IF", "parameters": [ {
xobmnbjxg0g_1527269346261
var app = {
"structure": [
{
"id": "0",
"type":"IF",
"parameters": [
{
"id": "xobmnbjxg0g_1527269346260",
"type": "field",
"value": "CV_TEST_SPOT1X"
},
{
"id": "2",
"type": "operator",
"value": "="
},
{
"id": "3",
"type": "field",
"value": "North America"
}
],
"if-children": [
{
"id": "xobmnbjxg0g_1527269346261",
"type":"IF",
"parameters": [
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
},
{
"id": "2",
"type": "operator",
"value": "="
},
{
"id": "3",
"type": "field",
"value": "North America"
}
],
"if-children":[
],
"else-children":[
]
}
],
"else-children":[
{
"id": "xobmnbjxg0g_1527269346262",
"type":"IF",
"parameters": [
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
},
{
"id": "2",
"type": "operator",
"value": "="
},
{
"id": "3",
"type": "field",
"value": "North America"
}
],
"if-children":[
{
"id":"xobmnbjxg0g_152726934626X"
}
],
"else-children":[
{
"id":"xobmnbjxg0g_152726934626Y"
}
]
}
]
},
{
"id": "xobmnbjxg0g_1527269346263",
"type":"IF",
"parameters": [
[
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
}
]
],
"if-children": [
{
"id": "xobmnbjxg0g_1527269346264",
"type":"IF",
"parameters": [
[
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
}
]
],
"if-children":[
{
"id": "xobmnbjxg0g_1527269346265",
"type":"IF",
"parameters": [
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
}
],
"if-children":[
{
"id":"xobmnbjxg0g_1527269346266"
}
],
"else-children":[
{
"id":"xobmnbjxg0g_1527269346267"
}
]
}
],
"else-children":[
{
"id":"xobmnbjxg0g_1527269346268"
}
]
}
],
"else-children":[
{
"id":"xobmnbjxg0g_1527269346269"
}
]
}
]
};
我正试图输出该ID的位置,即:
app['structure'][0]['if-children'][0]['id']
我的Javascript对象:
xobmnbjxg0g_1527269346261
var app = {
"structure": [
{
"id": "0",
"type":"IF",
"parameters": [
{
"id": "xobmnbjxg0g_1527269346260",
"type": "field",
"value": "CV_TEST_SPOT1X"
},
{
"id": "2",
"type": "operator",
"value": "="
},
{
"id": "3",
"type": "field",
"value": "North America"
}
],
"if-children": [
{
"id": "xobmnbjxg0g_1527269346261",
"type":"IF",
"parameters": [
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
},
{
"id": "2",
"type": "operator",
"value": "="
},
{
"id": "3",
"type": "field",
"value": "North America"
}
],
"if-children":[
],
"else-children":[
]
}
],
"else-children":[
{
"id": "xobmnbjxg0g_1527269346262",
"type":"IF",
"parameters": [
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
},
{
"id": "2",
"type": "operator",
"value": "="
},
{
"id": "3",
"type": "field",
"value": "North America"
}
],
"if-children":[
{
"id":"xobmnbjxg0g_152726934626X"
}
],
"else-children":[
{
"id":"xobmnbjxg0g_152726934626Y"
}
]
}
]
},
{
"id": "xobmnbjxg0g_1527269346263",
"type":"IF",
"parameters": [
[
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
}
]
],
"if-children": [
{
"id": "xobmnbjxg0g_1527269346264",
"type":"IF",
"parameters": [
[
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
}
]
],
"if-children":[
{
"id": "xobmnbjxg0g_1527269346265",
"type":"IF",
"parameters": [
{
"id": "1",
"type": "field",
"value": "CV_TEST_SPOT1"
}
],
"if-children":[
{
"id":"xobmnbjxg0g_1527269346266"
}
],
"else-children":[
{
"id":"xobmnbjxg0g_1527269346267"
}
]
}
],
"else-children":[
{
"id":"xobmnbjxg0g_1527269346268"
}
]
}
],
"else-children":[
{
"id":"xobmnbjxg0g_1527269346269"
}
]
}
]
};
有趣的谜题/问题 很确定我遗漏了一些边缘案例,但这似乎通过了一些测试
function is(obj, type){
return Object.prototype.toString.call(obj) === `[object ${type}]`;
}
function findPosition(obj, mykey, myval, res){
if(is(obj, "Object")){
if(mykey in obj && obj[mykey] === myval){
res.tree.push(mykey);
res.found = true;
} else {
for( let key in obj){
if(res.found) break;
res.tree.push(key);
findPosition(obj[key], mykey, myval, res);
}
if(!res.found) res.tree.pop();
}
} else if(is(obj, "Array")){
for(let i = 0; i < obj.length; i++){
if(res.found) break;
res.tree.push(i);
findPosition(obj[i], mykey, myval, res);
}
if(!res.found) res.tree.pop();
} else {
res.tree.pop();
}
return res;
}
要查找您正在迭代的当前obj是否是
数组
,您也可以使用注意:我知道这与实际问题无关,但问题中没有JSON。这是一个JS对象文本。JSON是一个字符串。已将JSON更改为JS对象。您正在查找DFS。感谢您的响应!这是一个难题,直到我累了才意识到它有多复杂。我试过你的代码,它在树数组中给了我89个变量,而它应该只有6个。不知道怎么了。使用此JS对象进行测试:@lol您正在尝试查找哪个id。这就是我用xobmnbjxg0g_1527269346262测试得到的结果。lol看这个小提琴,它给了我一个正确的结果,我现在工作得很好!!!!!!!!非常感谢!!!!!!!!!!!!!!!!!!