I need to load an external JSON file using a d3.json function which for eg. has this format
{"pole":[{"name": "p1"}, {"name":"p2"}]}
In the main file, I would have
var MainData ={}; d3.json("url", function(graph){MainData[graph] = graph;});
gives me the external JSON object pushed inside MainData. But I would lie to be able to access it as MainData.pole
Also I would like to load multiple JSON files and push them into the same MainData file.
I am new to JS and I would very much appreciate help.
var MainData ={}; d3.json("url", function(graph){MainData[graph] = graph;});
gives me the external JSON object pushed inside MainData.
Well, sort of, but it's got a really awkward property name, most likely [object Object]
, because when you use brackets notation like that, the property name within the brackets is given as a string (for now; ES6 adds Symbol
s), so any non-string you put there will be turned into a string. The default result of calling toString
on a plain object is [object Object]
.
But I would lie to be able to access it as
MainData.pole
Assuming d3.json
parses it for you before giving it to you, then:
var MainData ={};
d3.json("url", function(graph) {
MainData.pole = graph.pole;
});
If you're expected to parse it yourself (which seems unlikely), then:
var MainData ={};
d3.json("url", function(graph) {
MainData.pole = JSON.parse(graph).pole;
});
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.