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Tag: javascript

How make filter in sub component in reactjs?

The list doesn’t update after sorting in the parent component. console.log(‘sortedList’, sorted); – sort correctly ListFilter component: What is wrong? Answer The re-render is skipped because you have mutated state. It was mutated from within a child component making it even harder to …

How do I make this with template string?

I have smth like this How do I make this the same but with using template string. It should be smth like this But it doesn’t work. Any help? Answer I think I miss understood you question any way check this solution Explanation : using [] instead of . when we call a property of an object when the propert…

How to get input from form using PHP/Jquery live?

I have a simple HTML form that includes an input field and a submit button. How can I use JQuery to get the text from the input field live and then send that data to a PHP file that evaluates the data? Form: Edit: here’s what I want it to look like Answer Your current code doesn’t need jquery to

Looking for an efficient way to animate toggle class

I have a CSS class that has left-margin: 150px and I just want to function it in an animated way. ToggleClass in jQuery works but without any animation. $(this).toggleClass(“active”, 1000, “easeInOutQuad”); I managed to do it animated using addClass and removeClass. But I am wondering …

how to get some data from one big array

I have a js file that has an array of people. data.js In another file, I want to get data from an array and form my array with name, gender data. I use the map, but I can’t figure out how to implement it. Answer Your data is an array so you will have to use its index.

MongoDb update with ElemMatch

I have a collection that has document structure like following: Mongo PlayGround As you can see, each document has basicDetails object and a tasks array. Each task contains some properties of its own and a subtasks array. I want to update subtasks’s description from ABC to XYZ where root level id is 1, …

Regex – split string with delimiters into groups

It’s needed to parse strings like: object/custom/name1/name2 object/custom/name1/name2/typea object/custom/name1/name2/typea/item The result I’m expected to get is: group1: name1/name2 group2: typea group3: item Only group1 (the group with name) is required. Other groups (2,3) are optional. It dep…