My JSON is:
var json = '{"name":"GeoFence","coordinate":[[1,2],[3,4],[5,6]]}',
obj = JSON.parse(json);
alert(obj.coordinate);
But i need to set the values of coordinates as follows:
var myTrip=[new google.maps.LatLng(1,2),new google.maps.LatLng(3,4),new google.maps.LatLng(5,6)];
Traverse the coordinates and create a new object for each, and add that to myTrip:
var myTrip = [];
for(var i=0; i < obj.coordinate.length; i++) {
myTrip.push(new google.maps.LatLng(obj.coordinate[i][0],obj.coordinate[i][1]))
}
How about this:
var json = '{"name":"GeoFence","coordinate":[[1,2],[3,4],[5,6]]}',
var obj = JSON.parse(json);
var myTrip = [];
for (var i = 0; i < obj.coordinate.length; i++) {
myTrip[i] = new google.maps.LatLng(obj.coordinate[i][0], obj.coordinate[i][1]);
}
You need to iterate over the collection of the coordinates:
var myTrip = getCoordinate ();
var getCoordinate = function(){
var ret = [];
for(var i = 0, length = coordinate.length; i < length; i++){
ret.push(new google.maps.LatLng(coordinate[i][0], coordinate[i][1]))
}
return ret;
}
Related
I have 2 strings and I need to construct the below result (could be JSON):
indexLine: "id,first,last,email\n"
dataLine: "555,John,Doe,jd#gmail.com"
Result: "id:555,first:john,....;
What would be the fastest way of joining alternately those 2 strings?
I wrote this - but it seems too straight forward:
function convertToObject(indexLine, dataLine) {
var obj = {};
var result = "";
for (var j = 0; j < dataLine.length; j++) {
obj[indexLine[j]] = dataLine[j]; /// add property to object
}
return JSON.stringify(obj); //-> String format;
}
Thanks.
var indexLine = "id,first,last,email";
var dataLine = "555,John,Doe,jd#gmail.com";
var indexes = indexLine.split(',');
var data = dataLine.split(',');
var result = [];
indexes.forEach(function (index, i) {
result.push(index + ':' + data[i]);
});
console.log(result.join(',')); // Outputs: id:555,first:John,last:Doe,email:jd#gmail.com
If you might have more than one instance of your object to create, you could use this code.
var newarray = [],
thing;
for(var y = 0; y < rows.length; y++){
thing = {};
for(var i = 0; i < columns.length; i++){
thing[columns[i]] = rows[y][i];
}
newarray.push(thing)
}
source
How can I convert my JSON to a list of arrays
My JSON is Serie :
[{"Value":10,"ValuePourcent":2},{"Value":20,"ValuePourcent":3},{"Value":51,"ValuePourcent":1}]
I would like this format:
[[10,2],[20,3],[:51,1]]
Here's my code so far:
var linq = Enumerable.From(rows);
var Serie = linq
.GroupBy("$.Year", null,
function(key, g) {
var result = {
Value: g.Sum("$.Car"),
ValuePourcent: g.Sum("$.CarPourcent")/Total*100,
};
return result;
})
.ToArray()
A simple for loop does the trick:
var data = [
{"Value":10,"ValuePourcent":2},
{"Value":20,"ValuePourcent":3},
{"Value":51,"ValuePourcent":1}
];
var result = [];
for (var i = 0; i < data.length; i++) {
var datum = data[i];
result.push([datum.Value, datum.ValuePourcent]);
}
console.log(result);
You can try to loop through the json array like this:
var json = JSON.parse("[{\"Value\":10,\"ValuePourcent\":2},{\"Value\":20,\"ValuePourcent\":3},{\"Value\":51,\"ValuePourcent\":1}]");
var newArray = [];
for(var i = 0; i < json.length; i++) {
newArray.push([
json[i].Value,
json[i].ValuePourcent
]);
}
You can use map
dataArray = [{"Value":10,"ValuePourcent":2},{"Value":20,"ValuePourcent":3},{"Value":51,"ValuePourcent":1}]
newFormat = dataArray.map(function(e){
return [e["Value"], e["ValuePourcent"]]
});
var json = [{"Value":10,"ValuePourcent":2},{"Value":20,"ValuePourcent":3},{"Value":51,"ValuePourcent":1}];
var data = $.parse(JSON(json))
var array = [];
var keys = Object.keys(json);
keys.forEach(function(key){
array.push(json[key]);
array.push(data[key]
});
I have a javascript code like this:
var myData=[];
$.getJSON( path_url , function(data){
var len = data.rows.length;
for (var i = 0; i < len; i++){
var code = data.rows[i].codeid;
var color = data.rows[i].color;
var obj = {}
obj[code] = color
myData.push(obj);
}
console.log(myData);
});
and the results
0: Object{12: "#fc0516"},1: Object{14: "#17a030"},2: Object{31: "#17a030"}
but the results I would like this:
{12:"#fc0516",14:"#17a030",31:"#17a030"}
how can I get the result as above? sorry for my bad english, thanks in advance...
Create myData as an object, then use bracket notation to assign the property values
var myData = {};
$.getJSON(path_url, function (data) {
var len = data.rows.length;
for (var i = 0; i < len; i++) {
var code = data.rows[i].codeid;
var color = data.rows[i].color;
myData[code] = color
}
console.log(myData);
});
I am trying to grab some values out of a sting that looks like this:
W1:0.687268668116, URML:0.126432054521, MH:0.125022031608, W2:0.017801539275, S3:0.00869514129605, PC1:0.00616885024382, S5L:0.0058163445156, RM1L:0.00540508783268, C2L:0.00534633687797, S4L:0.00475882733094, S2L:0.00346630632748
I want to make an array of all the keys and another array of all the values i.e. [W1, URML, MH…] and [0.687268668116, 0.126432054521...]
I have this snippet that does the trick, but only for the first value:
var foo = str.substring(str.indexOf(":") + 1);
Use split().
Demo here: http://jsfiddle.net/y9JNU/
var keys = [];
var values = [];
str.split(', ').forEach(function(pair) {
pair = pair.split(':');
keys.push(pair[0]);
values.push(pair[1]);
});
Without forEach() (IE < 9):
var keys = [];
var values = [];
var pairs = str.split(', ');
for (var i = 0, n = pairs.length; i < n; i++) {
var pair = pairs[i].split(':');
keys.push(pair[0]);
values.push(pair[1]);
};
This will give you the keys and values arrays
var keys = str.match(/\w+(?=:)/g),
values = str.match(/[\d.]+(?=,|$)/g);
RegExp visuals
/\w+(?=:)/g
/[\d.]+(?=,|$)/g
And another solution without using regexp
var pairs = str.split(" "),
keys = pairs.map(function(e) { return e.split(":")[0]; }),
values = pairs.map(function(e) { return e.split(":")[1]; });
JSFiddle
var str = "W1:0.687268668116, URML:0.126432054521, MH:0.125022031608, W2:0.017801539275, S3:0.00869514129605, PC1:0.00616885024382, S5L:0.0058163445156, RM1L:0.00540508783268, C2L:0.00534633687797, S4L:0.00475882733094, S2L:0.00346630632748";
var all = str.split(","),
arrayOne = [],
arrayTwo = [];
for (var i = 0; i < all.length; i++) {
arrayOne.push(all[i].split(':')[0]);
arrayTwo.push(all[i].split(':')[1]);
}
parse the string to an array
var str = "W1:0.687268668116, URML:0.126432054521, MH:0.125022031608, W2:0.017801539275";
var tokens = str.split(",");
var values = tokens.map(function (d) {
var i = d.indexOf(":");
return +d.substr(i + 1);
});
var keys = tokens.map(function (d) {
var i = d.indexOf(":");
return d.substr(0, i);
});
console.log(values);
console.log(keys);
http://jsfiddle.net/mjTWX/1/ here is the demo
I have the following JSON:
[{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557704","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557705","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557706","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557707","mobile":"400089151"}]
I need to extract all "phoneNumber" using a js function.
I'm testing from using html and my function is not so good:
function getNumbers(strJSON)
{
strJSON = "[{\"errorMessage\":\"success\",\"mobile\":\"400089151\",\"phoneNumber\":\"400557704\",\"returnCode\":\"0\"},{\"errorMessage\":\"success\",\"mobile\":\"400089151\",\"phoneNumber\":\"400557705\",\"returnCode\":\"0\"},{\"errorMessage\":\"success\",\"mobile\":\"400089151\",\"phoneNumber\":\"400557706\",\"returnCode\":\"0\"}]";
var len = strJSON.length;
var begin_index = strJSON.indexOf("returnCode") - 2;
var last_index = len - 1;
var string_toSplit = strJSON.substring(begin_index, last_index);
var string_splitted = string_toSplit.split("{");
var out="";
alert(strJSON);
alert("string_splitted");
alert(string_splitted);
for ( var i = 0; i < string_splitted.length; i++)
{
if (string_splitted[i].charAt(string_splitted[i].length - 1) === ",")
{
string_splitted[i] = string_splitted[i].slice(0, -1);
}
var json = "{" + string_splitted[i];
var obj = JSON.parse(json);
if (i == string_splitted.length)
{
out = out + obj.phoneNumber;
}
else
{
out = out + obj.phoneNumber + ",";
}
}
return out;
}
For modern browsers you can use the .map() method
var j = [{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557704","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557705","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557706","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557707","mobile":"400089151"}];
var phones = j.map(function(item){return item.phoneNumber});
Update
After seeing your code (do not try to manually split/parse the json string.. use the JSON.parse method) you should use
function getNumbers(strJSON)
{
var myJson = JSON.parse( strJSON );
return myJson.map(function( item ){ return item.phoneNumber}).join(',');
}
Update: An even better way:
function getNumbers(strJSON)
{
var obj = JSON.parse(strJSON);
return obj.map(x => x.phoneNumber).join(", ")
}
Original Post:
A straight forward method is to just iterate over every object in the array and take the values out individually.
var info = [{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557704","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557705","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557706","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557707","mobile":"400089151"}];
var phoneNumbers = [];
for (var i = 0; i < info.length; i++)
{
phoneNumbers.push(info[i].phoneNumber);
}
console.log(phoneNumbers);
http://jsfiddle.net/hX69r/
UPDATE:
http://jsfiddle.net/hX69r/1/
var info = [{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557704","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557705","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557706","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557707","mobile":"400089151"}];
var infoString = JSON.stringify(info); //this just turns the object array 'info' into a string
var numbers = getNumbers(infoString);
console.log(numbers);
function getNumbers(strJSON)
{
var obj = JSON.parse(strJSON);
var phoneNumbers = [];
for (var i = 0; i < obj.length; i++)
{
phoneNumbers.push(obj[i].phoneNumber);
}
return phoneNumbers.join(", ");
}
Additional Update:
var info = [{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557704","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557705","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557706","mobile":"400089151"},
{"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557707","mobile":"400089151"}];
var infoSingle = {"returnCode":"0","errorMessage":"success","Code":{},"phoneNumber":"400557704","mobile":"400089151"};
console.log(info.length); // prints 4; so you know it has the []
console.log(infoSingle.length); // prints undefined; so you know it doesn't have []
Do not try to re-invent the wheel.
There are many ways to parse JSON already:
Use JSON.parse.
Use jQuery.parseJSON