angularjs-orderby | 易学教程

Sorting elements in AngularJS for nested ng-repeat

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问题 I am using bootstrap to display a grid of projects with each row having 3 columns. In order to accomplish this, I am using ng-repeat twice like below. <div class="row" ng-repeat="chunk in projects"> <div class="col-sm-4" ng-repeat="project in chunk | orderBy:'title'"> {{project.title}} </div> </div> I want to be able to sort the project based on its title field. Applying a filter only sorts a subset of the whole list i.e. sorts at the chunk level rather than the projects level. var projects =

angular watchgroup not consistently picking up model changes

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问题 I have a dynamic orderBy function I am using for a ng-repeat. I had help with this from another post. He created a plunker and it works great. however when I integrated with project it is not working as expected. I created the plunker with the same versions of all refrences as well. here is link to post. link to stackoverflow post I have narrowed it down to what it is going on. on page load you see the empty array. here is when i apply the filter. the selected filter is being applied to the

AngularJS filter orderBy, ordering one variable by another

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问题 I have a table that is made by ngRepeat from variable first . By filter, instead of first.id_second it writes out second.name , and it works great. Now I'm trying to sort the column first.id_second and I want it to be sorted not by first.id_second , but by second.name . This is my structure: var first = [{ "id": 0, "id_second": "111" },{ "id": 1, "id_second": "222" }] var second = [{ "id_second": "111", "name": "name1" },{ "id_second": "222", "name": "name2" }] Usually, in my html I would

AngularJS orderby : keep an element of array on top

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问题 I have searched and don't found an answer to my question. Hope, I've well searched ! So, this is my problem : <div id="{{expression.comment_id.$id}}" class="comments" ng-repeat="expression in expressions| orderBy:orderProp" So, orderBy works great, but I have a specific need : expression.comment_id with '0' id must stay on top. How can do this ? I think I must use a personnal filter but I'm not sure this is the more efficient solution. If this is a good way, how can I implement it correctly ?

contidional orderBy only on init AngularJS

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问题 How can I run orderBy filter only once when my view is initialized? I don't want my list to be reordered during runtime. <li ng-repeat="service in quote.services | orderBy:'index'" ></li> 回答1: Use the orderBy as a filter in your controller instead: app.controller('DemoCtrl', ['$scope', '$filter', function($scope, $filter){ $scope.quote.services = $filter('orderBy')($scope.quote.services, 'index'); }]); See the filter docs for all the options. 来源： https://stackoverflow.com/questions/35615976

how to use a dynamic orderBy in a ng-repeat

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问题 ive been reading on how to use a dynamic orderby with a ng-repeat but i stuck. The object I am working with looks like this: { "type": "Active", "properties": { "id": 105935, "name": "Museum Hill Estates", "show": false, "territoryId": 1996 }, "metrics": { "bld": { "type": "Unknown", "count": { "prod": 78, "custom": 90 } }, "inv": { "fut": 9, "vdl": 6, "mod": 1, "fin": 3, "uc": 3, "total": 22 }, "loe": { "bld": 11, "inv": 20, "size": 3, "activity": 9, "total": 43 } }, "geometry": { "type":

ng-repeat on array of arrays, orderBy subarray index

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问题 Let's say I have this object: var rows = [ [1, 2, 3, 4], [11, 222, 3333, 4444] ]; Given that, and this template: <tr ng-repeat="row in rows | orderBy ????"> <td ng-repeat="cell in row">{{ cell }}</td> </tr> ...how can I order an ng-repeat by the second "column" of each row (the value at index 1 of the given row element)? Am I correct that Angular does not support this case—without having to write a custom sort function? (I'm just prototyping, so using ng-init to define my scope variables

how to use a dynamic orderBy in a ng-repeat

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ive been reading on how to use a dynamic orderby with a ng-repeat but i stuck. The object I am working with looks like this: { "type": "Active", "properties": { "id": 105935, "name": "Museum Hill Estates", "show": false, "territoryId": 1996 }, "metrics": { "bld": { "type": "Unknown", "count": { "prod": 78, "custom": 90 } }, "inv": { "fut": 9, "vdl": 6, "mod": 1, "fin": 3, "uc": 3, "total": 22 }, "loe": { "bld": 11, "inv": 20, "size": 3, "activity": 9, "total": 43 } }, "geometry": { "type": "Point", "coordinates": [ -105.93069, 35.65802 ] } } By default I need (desc) name,total loe, inventory

ng-repeat on array of arrays, orderBy subarray index

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Let's say I have this object: var rows = [ [1, 2, 3, 4], [11, 222, 3333, 4444] ]; Given that, and this template: <tr ng-repeat="row in rows | orderBy ????"> <td ng-repeat="cell in row">{{ cell }}</td> </tr> ...how can I order an ng-repeat by the second "column" of each row (the value at index 1 of the given row element)? Am I correct that Angular does not support this case—without having to write a custom sort function? (I'm just prototyping, so using ng-init to define my scope variables instead of creating a controller.) Actually it does. You can create custom order by functions. http://plnkr

Why are the advantages or filter and orderBy?

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It seems that AngularJS really puts an heavy emphasis on using filters and other ng directive in your view to filter and sort your data, instead of doing it manually in the model. Is there any reason for that, ie is it faster, cached, or something? I want to show a list sorted for example, but I also want to access the sorted list for other purposes that are not view related. It's very easy if the list is directly sorted in the model, so I'm trying to understand if there is a drawback to doing it this way. Thanks! I don't see anything wrong with pre-sorting the data if it makes sense to you