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TypeScript 2021-10-06 19:07:05
map vs for each
forEach() just loop through the elements. It's throws away return values and always returns undefined.The result of this method does not give us an output . map() loop through the elements allocates memory and stores return values by iterating main array... Add solution -
Javascript 2021-10-06 03:40:03
how to delete multiple rows using checkbox in angular 7
You can declare an array to store IDs of selected checkboxes. SelectedIDs:any[]; On check of any row you can store id in above array. selectID(id, event:any){ this.SelectedIDs.push(id); } On click of delete button you can pop up elements with matchi... Add solution -
Javascript 2021-10-06 00:57:04
filter zero values in lumira
var RecNofil = ""; arrayRecNo.forEach(function(element, index) { var val1 = DS_1.getData(KForiginal, {"City1": "Berlin", "RecordNo": element.internalKey}).Value; var val2 = DS_1.getData(KForiginal, {"City2... Add solution -
Javascript 2021-10-04 01:39:04
how to delete popultate subdocument mongoose
Surf .find({user_id: {$in: userIds}}) .populate('user_id', 'name boards') // added boards .populate('friends', 'name') // .populate('board_id', 'name size') // can't do this as discussed .exec(function (err, surfs) { if (err) { ... Add solution -
Javascript 2021-10-03 19:20:04
loopback relation include to json
Post.find({include: {owner: [{posts: 'images'} , 'orders']}}, function(err, posts) { posts.forEach(function(post) { // post.owner points to the relation method instead of the owner instance var p = post.toJSON(); console.log(p.owner.posts, p.own... Add solution -
Javascript 2021-10-02 16:32:03
javascript class click event
var elements = document.getElementsByClassName("classname"); var myFunction = function() { var attribute = this.getAttribute("data-myattribute"); alert(attribute); }; for (var i = 0; i < elements.length; i++) { element... Add solution -
Javascript 2021-10-01 00:04:06
concat keys json
finalStr = '' Object.keys(obj).forEach(function(key) { if (obj[key].name === 'mountpoints') { // only get sizes for mountpoints var value = obj[key].value; Object.keys(value).forEach(function(name) { // add all sizes to string finalStr += ... Add solution