Filter JSON using more than one option












1















I have a JSON:



location_filter = [{ title: "My Library", type: "library"},
{ title: "My Parking", type: "parking" },
{ title: "My Info", type: "info" }]


And I have a Multiple drop-down with three options: "info", "parking", "library".



I am already sending the value that I want to filter that can be one or more than one.



I know how to use the filter with just one item.



My question is: How can I use with more than one item?



splitFilter(array){
var arr = array.split(',');
return arr;
}


filter(selection) {

let stringSplit = this.splitFilter(selection.toString());

this.location_filter = JSON.parse(JSON.stringify(this.locations));

this.location_filter = this.location_filter.filter((item) => {
return item.type === selection;
});

this.loadMap(this.location_filter);
}


I am already splitting the string with the function splitFilter();



Maybe a loop?










share|improve this question























  • As a note, this is not JSON - it's just a JavaScript Object.

    – zfrisch
    Nov 14 '18 at 16:56


















1















I have a JSON:



location_filter = [{ title: "My Library", type: "library"},
{ title: "My Parking", type: "parking" },
{ title: "My Info", type: "info" }]


And I have a Multiple drop-down with three options: "info", "parking", "library".



I am already sending the value that I want to filter that can be one or more than one.



I know how to use the filter with just one item.



My question is: How can I use with more than one item?



splitFilter(array){
var arr = array.split(',');
return arr;
}


filter(selection) {

let stringSplit = this.splitFilter(selection.toString());

this.location_filter = JSON.parse(JSON.stringify(this.locations));

this.location_filter = this.location_filter.filter((item) => {
return item.type === selection;
});

this.loadMap(this.location_filter);
}


I am already splitting the string with the function splitFilter();



Maybe a loop?










share|improve this question























  • As a note, this is not JSON - it's just a JavaScript Object.

    – zfrisch
    Nov 14 '18 at 16:56
















1












1








1








I have a JSON:



location_filter = [{ title: "My Library", type: "library"},
{ title: "My Parking", type: "parking" },
{ title: "My Info", type: "info" }]


And I have a Multiple drop-down with three options: "info", "parking", "library".



I am already sending the value that I want to filter that can be one or more than one.



I know how to use the filter with just one item.



My question is: How can I use with more than one item?



splitFilter(array){
var arr = array.split(',');
return arr;
}


filter(selection) {

let stringSplit = this.splitFilter(selection.toString());

this.location_filter = JSON.parse(JSON.stringify(this.locations));

this.location_filter = this.location_filter.filter((item) => {
return item.type === selection;
});

this.loadMap(this.location_filter);
}


I am already splitting the string with the function splitFilter();



Maybe a loop?










share|improve this question














I have a JSON:



location_filter = [{ title: "My Library", type: "library"},
{ title: "My Parking", type: "parking" },
{ title: "My Info", type: "info" }]


And I have a Multiple drop-down with three options: "info", "parking", "library".



I am already sending the value that I want to filter that can be one or more than one.



I know how to use the filter with just one item.



My question is: How can I use with more than one item?



splitFilter(array){
var arr = array.split(',');
return arr;
}


filter(selection) {

let stringSplit = this.splitFilter(selection.toString());

this.location_filter = JSON.parse(JSON.stringify(this.locations));

this.location_filter = this.location_filter.filter((item) => {
return item.type === selection;
});

this.loadMap(this.location_filter);
}


I am already splitting the string with the function splitFilter();



Maybe a loop?







javascript ionic3






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share|improve this question










asked Nov 14 '18 at 16:44









Low RiderLow Rider

75110




75110













  • As a note, this is not JSON - it's just a JavaScript Object.

    – zfrisch
    Nov 14 '18 at 16:56





















  • As a note, this is not JSON - it's just a JavaScript Object.

    – zfrisch
    Nov 14 '18 at 16:56



















As a note, this is not JSON - it's just a JavaScript Object.

– zfrisch
Nov 14 '18 at 16:56







As a note, this is not JSON - it's just a JavaScript Object.

– zfrisch
Nov 14 '18 at 16:56














1 Answer
1






active

oldest

votes


















2














You could check with Array#includes.



this.location_filter = this.location_filter.filter(({ type }) => selection.includes(type));


Or with ES5 take Array#indexOf and check if not -1 for a not found item.



this.location_filter = this.location_filter.filter((item) => {
return selection.indexOf(item.type) !== -1;
});





share|improve this answer
























  • I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

    – Low Rider
    Nov 14 '18 at 16:52













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1 Answer
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active

oldest

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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









2














You could check with Array#includes.



this.location_filter = this.location_filter.filter(({ type }) => selection.includes(type));


Or with ES5 take Array#indexOf and check if not -1 for a not found item.



this.location_filter = this.location_filter.filter((item) => {
return selection.indexOf(item.type) !== -1;
});





share|improve this answer
























  • I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

    – Low Rider
    Nov 14 '18 at 16:52


















2














You could check with Array#includes.



this.location_filter = this.location_filter.filter(({ type }) => selection.includes(type));


Or with ES5 take Array#indexOf and check if not -1 for a not found item.



this.location_filter = this.location_filter.filter((item) => {
return selection.indexOf(item.type) !== -1;
});





share|improve this answer
























  • I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

    – Low Rider
    Nov 14 '18 at 16:52
















2












2








2







You could check with Array#includes.



this.location_filter = this.location_filter.filter(({ type }) => selection.includes(type));


Or with ES5 take Array#indexOf and check if not -1 for a not found item.



this.location_filter = this.location_filter.filter((item) => {
return selection.indexOf(item.type) !== -1;
});





share|improve this answer













You could check with Array#includes.



this.location_filter = this.location_filter.filter(({ type }) => selection.includes(type));


Or with ES5 take Array#indexOf and check if not -1 for a not found item.



this.location_filter = this.location_filter.filter((item) => {
return selection.indexOf(item.type) !== -1;
});






share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 14 '18 at 16:47









Nina ScholzNina Scholz

185k1596168




185k1596168













  • I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

    – Low Rider
    Nov 14 '18 at 16:52





















  • I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

    – Low Rider
    Nov 14 '18 at 16:52



















I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

– Low Rider
Nov 14 '18 at 16:52







I would like to say thank you for your answer. The first options is working like a charm! Thank you and have a great day.

– Low Rider
Nov 14 '18 at 16:52






















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