condition for value not in array or value different from all elements in array

Question

Hi I would like to find a condition in jquery to be sure that the id of the data found by .grep is different from all the values from a vector, with something like this :

var matchedAgainstBrand = $.grep(prodata, function(v,i) {
    return v['id'] !== matchedProIds ;
});

or this

var matchedAgainstBrand = $.grep(prodata, function(v,i) {
    return $.inArray( v['id'], matchedProIds ) == -1;
});

(but these two do not work !)

where matchedProIds is a vector of integers, defined like this :

var matchedProIds = [];
for (i=0; i< matchedPro.length; i++) {
     matchedProIds.push(matchedPro[i]['id']);
}

Can you help with a condition that (un)match a value against a vector ?

You want us to write it for you?

Jonathan M
– Jonathan M

2014-06-03 18:52:28 +00:00
Commented Jun 3, 2014 at 18:52 — Jonathan M
– Jonathan M, Commented Jun 3, 2014 at 18:52
@JonathanM mmmhh yes !?

Louis
– Louis

2014-06-03 18:53:13 +00:00
Commented Jun 3, 2014 at 18:53 — Louis
– Louis, Commented Jun 3, 2014 at 18:53
Array.indexOf?

Matt Burland
– Matt Burland

2014-06-03 18:56:23 +00:00
Commented Jun 3, 2014 at 18:56 — Matt Burland
– Matt Burland, Commented Jun 3, 2014 at 18:56

Louis · Accepted Answer · 2014-06-03 19:05:46Z

1

Thanks to the suggestion from @Matt Burland :

var matchedAgainstBrand = $.grep(prodata, function(v,i) {
    return matchedProIds.indexOf(v['id']) == -1;
});

answered Jun 3, 2014 at 19:05

Louis

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