AngularJS iterate over $dirty elements -


i know how check if input elements on form dirty or not, wondering if there quick way iterate on $dirty ones only? know angular sets ng-dirty class on elements, , can figure out how in jquery, can't figure out how in angularjs context.

i wrote filter (with community) while , has served me pretty well.

/* app module */ angular.module("dirtyfilter", []). filter("returndirtyitems", function () {         return function (modeltofilter, form, treatasdirty, removethesecharacters) {     //removes pristine items     //note: treatasdirty must array containing names of items should not removed     (var key in modeltofilter) {         //delete item if:         //    * exists on form , pristine, or...         //    * not exist on form         try{             //console.log("checking " + key + " pristine , found " + form[key].$pristine);         }         catch(err){             //console.log("key " + key + " did not have element in form");         }         if (removethesecharacters != undefined && removethesecharacters.length > 0) {             (var ca = 0, len = removethesecharacters.length; ca < len; ca++ ) {                 try{                     //console.log("index of " + key + " is: " + modeltofilter[key].indexof(removethesecharacters[ca]));                     if (modeltofilter[key].indexof(removethesecharacters[ca]) >= 0) {                         modeltofilter[key] = modeltofilter[key].replace(removethesecharacters[ca], "", "g");                     }                 }                 catch(err){                     //console.log("getting index of " + key + " throws error of " + err + " skipped it");                 }             }         }         if ((form[key] && form[key].$pristine) || !form[key]) {             //delete item if treatasdirty argument not present             //console.log("checking see if " + key + " treated dirty");             if(treatasdirty){                 //console.log("there array present treatasdirty");                 //delete item if not in treatasdirty array                 if(treatasdirty.indexof(key) == -1){                     //console.log("the item " + key + " not found in dirty array , has been deleted");                     //remove pristine item parent object                     delete modeltofilter[key];                 } else {                     //console.log("the item " + key + " found in dirty array , has been kept");                 }             } else {                 //console.log("there no array present dirty items, " + key + " removed");                 //remove pristine item parent object                 delete modeltofilter[key];             }         }     }     return modeltofilter; } });

you can see in action @ http://jsfiddle.net/mbielski/sdn2h/1/


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