Looking through a Json file and retrieving data with the help of Javascript

I am currently working on developing a dictionary application for FirefoxOS using JavaScript. The structure of my JSON file is as follows:

[
{"id":"3784","word":"Ajar","type":"adv.","descr":" Slightly turned or opened; as, the door was standing ajar.","track":"a","track_2":"Aj","track_3":"Aja"},
{"id":"3785","word":"Ajar","type":"adv.","descr":" In a state of discord; out of harmony; as, he is ajar with the world.","track":"a","track_2":"Aj","track_3":"Aja"},{"id":"3786","word":"Ajog","type":"adv.","descr":" On the jog.","track":"a","track_2":"Aj","track_3":"Ajo"},
{"id":"3787","word":"Ajutage","type":"n.","descr":" A tube through which water is discharged; an efflux tube; as, the ajutage of a fountain.","track":"a","track_2":"Aj","track_3":"Aju"}                               ]

My current task involves querying this JSON file to find all entries where the word matches "aj" and retrieving the IDs associated with those results. How should I go about achieving this?

javascriptjson

Answer №1

TRY THIS CHECK OUT THE UPDATED FIDDLE DEMO

var jsonArrr =[
{"id":"3784","word":"Ajar","type":"adv.","descr":" Slightly turned or opened; as, the door was standing ajar.","track":"a","track_2":"Aj","track_3":"Aja"},
{"id":"3785","word":"Ajar","type":"adv.","descr":" In a state of discord; out of harmony; as, he is ajar with the world.","track":"a","track_2":"Aj","track_3":"Aja"},{"id":"3786","word":"Ajog","type":"adv.","descr":" On the jog.","track":"a","track_2":"Aj","track_3":"Ajo"},
{"id":"3787","word":"Ajutage","type":"n.","descr":" A tube through which water is discharged; an efflux tube; as, the ajutage of a fountain.","track":"a","track_2":"Aj","track_3":"Aju"}                               ];

var matchMe = new RegExp('^' + 'aj', 'i');
    var matches = [];
        for (var i in jsonArrr) {
            if (jsonArrr[i].word.search(matchMe) > -1 ) {

                    matches.push( {'id': i, 'word': jsonArrr[i].word} );

            }
        }

To view the result

 for (var i in matches) { 
                console.log(matches[i].word);
                //your code
                }

Open the console window in Inspect Element to see the outcome

Answer №2

var matchedIndexes = []
for (var i=0; i < array.length; i++) {
    var obj = array[i];
    if (obj.hasOwnProperty("word")) {
        if(obj["word"].match(/aj/i)) {
            console.log("matched");
            matchedIndexes.push(i);     
        }
    }
}

matchedIndexes will store the indexes where the object contains the word "aj" in a case-insensitive manner. The array variable represents your set of arrays.

Answer №3

Iterate over the json array :

let targetObject = null;
    Objects.forEach(function(object, index){
        if(object.word == 'aj'){
            return targetObject = object;
        }
    });
    console.log(targetObject);

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