How to remove the null value in json string using jquery

Question

var jsonstring=[null,null,{"rank":"23","credit":"10"},null,null,{"rank":"26","credit":"10"},null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,{"rank":"31","credit":"05"}]

javascript solution to your question: stackoverflow.com/questions/281264/… — Pawan
– Pawan, Commented Apr 23, 2015 at 10:02
You can try this on:- jsonstring=JSON.stringify(jsonstring).replace(/null/g,' '); jsonstring.replace(/ ,/g,'') — Tanul
– Tanul, Commented Apr 23, 2015 at 10:29

Youssef · Accepted Answer · 2015-04-23 10:03:14Z

4

var arr = JSON.parse(json_string);
arr = arr.filter(function(n){ return n }); 
json_string = JSON.stringify(arr)

answered Apr 23, 2015 at 10:03

Youssef

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2 Comments

vengatesh rkv Over a year ago

Please give the example for my jsonstring

Youssef Over a year ago

just replace json_string with your actual JSON string

Rex Rex · Accepted Answer · 2015-04-23 10:06:14Z

2

Use like this

(function filter(obj) {
    $.each(obj, function(key, value){
        if (value === "" || value === null){
            delete obj[key];
        } else if (Object.prototype.toString.call(value) === '[object Object]') {
            filter(value);
        } else if ($.isArray(value)) {
            $.each(value, function (k,v) { filter(v); });
        }
    });
})(sjonObj);

answered Apr 23, 2015 at 10:06

Rex Rex

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2 Comments

Dhaval Marthak Over a year ago

Copied from here? Change variable name atleast! :P

vengatesh rkv Over a year ago

Please give the example for my jsonstring

Joseph · Accepted Answer · 2015-04-23 10:13:15Z

1

You should use array access notation please see the below code

    delete sjonObj[key];


 $.each(sjonObj, function(key, value){
 if (value === "" || value === null){
    delete sjonObj[key];
  }
 });

Thanks

answered Apr 23, 2015 at 10:13

Joseph

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2 Comments

vengatesh rkv Over a year ago

Please give the example for my jsonstring

Joseph Over a year ago

you have the input json string with you rite?

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