remove element from array where element equal

Question

for example i have this array

    var array1 = [{ uid=24433357, first_name="fname", last_name="lname", ...},
{ uid=4821888, first_name="fname", last_name="lname", ...},
{ uid=677614, first_name="fname", last_name="lname", ...},
{ uid=4789723, first_name="fname", last_name="lname", ...},
{ uid=444464, first_name="fname", last_name="lname", ...},
{ uid=767687867, first_name="fname", last_name="lname", ...}]

i want to remove element from array1 where uid = x

i have no idea how?

for normal arrays i know this method

array1.splice(index, count)

Loop through all elements in array1. If uid of array1[i] = x add it to array2. Once your loop's finished array1 = array2. — user1017882
– user1017882, Commented Jan 27, 2014 at 10:24

dcodesmith · Accepted Answer · 2014-01-27 10:33:30Z

Fix your objects first, the syntax is all wrong. See below and then use the Array#filter function to filter out the unwanted object by its uid

var array1 = [{ uid:24433357, first_name:"fname", last_name:"lname"},
    { uid:4821888, first_name:"fname", last_name:"lname"},
    { uid:677614, first_name:"fname", last_name:"lname"},
    { uid:4789723, first_name:"fname", last_name:"lname"},
    { uid:444464, first_name:"fname", last_name:"lname"},
    { uid:767687867, first_name:"fname", last_name:"lname"}];

ES5 not suitable for old browsers

array1 = array1.filter(function(o){
    return o.uid !== 24433357
});

Classic Way compatible with old browsers

for (var i = 0; i < array1.length; i++) {

    if (array1[i].uid === 24433357) {
        array1.splice(i, 1);
    }
}

console.log(array1);

I know that the syntax is incorrect, the syntax is not important in this case, the main thing here is solution ))) thanks)))

Prashobh · Accepted Answer · 2014-01-27 10:32:41Z

2

for(var i = array1.length-1; i--;){
    if (array1.uid[i] === "x") array1.splice(i, 1);
}

answered Jan 27, 2014 at 10:32

Prashobh

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