javascript

[Solved] Looping through array of objects in Python coming from Javascript

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contacts = [{“name”:”John”,”age”:30},{“name”:”Peter”,”age”:20},{“name”:”Sarah”,”age”:33}] for i in range(len(contacts)): print(contacts[i][“name”]) for person in contacts: print(person[“name”]) The second way would be considered more “Pythonic”. EDIT – added to answer question in comment To access only the last record in the list, use a negative offset. print(contacts[-1][“name”]) 1 solved Looping through array of objects in Python coming from Javascript

[Solved] Angular 2 onclick add new item in array

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You have a few problems… You have this interface: interface Joke{ id: number; value: string; } what you are receiving is much more properties, so you’d need to pick the properties you want: getRandomJokes(){ return this.http.get(‘https://api.chucknorris.io/jokes/random’) .map(res => res.json()); // pick the properties you want/need .map(joke => <Joke>{id: joke.id, value: joke.value}) } Then you have … Read more

[Solved] Make two arrays into json data

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Put a as the animal property of call, and b as the mood property of call: call = { animal: A, mood: B }; If the arrays are meant to be of strings, then make sure to put ‘ around each string, like A = [‘cat’, … 0 solved Make two arrays into json data

[Solved] How to square integers inside an array?

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Just map over the array and do Math.pow(int,power) but multiplication is faster so do value * value in the .map function const realNumberArray = [4, 5.6, -9.8, 3.14, 42, 6, 8.34, -2]; // your array const squares = realNumberArray.filter(x => x > 0 && Number.isInteger(x)); // your filter function const squared = squares.map(val => val*val) … Read more

[Solved] How can I console.log the second li element using javascript onclick

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Just use the querySelectorAll() method instead and target the second li element like this: document.querySelectorAll(“#list li”)[1].onclick = () => { console.log(“Biker Jacket”); }; <h3>Shirts</h3> <ul id=’list’> <li>Biker Jacket</li> <li>Mens Shirt</li> </ul> 1 solved How can I console.log the second li element using javascript onclick

[Solved] how to convert Java Instant for showing Date in the angular client side? [closed]

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Angular have built in date pipe setDateTime(dateTime) { let pipe = new DatePipe(‘en-US’); const time = pipe.transform(dateTime, ‘mediumTime’, ‘UTC’); const date = pipe.transform(dateTime, ‘MM/dd/yyyy’, ‘UTC’); return date + ‘ ‘ + time; } html <span>{{dateTime| date:’MM/dd/yyyy’ : ‘UTC’}}</span> 1 solved how to convert Java Instant for showing Date in the angular client side? [closed]

[Solved] Window.localStorage JavaScript

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You can use a listener to check if the radio is changed and then use an if to check the value and then define the image, description, etc… Here I used a very basic and general jQuery selector input[type=”radio”], you can use a class to be more specific if you want. There’s a function called … Read more

[Solved] Anchoring to the same page [closed]

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I would do the scrolling using jQuery and changing the anchors in the URL to elements that don’t exist on the DOM with the same value for id or name. (so that the scroll is not done automatically) Living demo $(window).on(‘hashchange’,function(){ //you can see it manually or calculate it using jQuery by using $.height(); var … Read more

[Solved] JS comparing innerHTML

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let pick1 = openCard; You redeclare pick1 inside the function. This creates a new variable that masks the global variable of the same name. Each time you run the function, you get a new pick1 and a new pick2, both of which are undefined. Consequently, you’ll always hit the first half of the if/else. Remove … Read more

[Solved] Uncaught type error is not a function [closed]

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You need to include the javascript above the HTML, or add your JavaScript to some kind of page load. Example: document.addEventListener(“DOMContentLoaded”, function(){ // ADD CODE }); Your JavaScript should be working when included correctly as seen in here: function showdivs() { var yourUl = document.getElementById(“tryok”); yourUl.style.display = yourUl.style.display === ‘none’ ? ” : ‘none’; var … Read more

[Solved] onclick / anchor tag- javascript in HTML

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Your question is not clear, I assume this might be helpful: // Create anchor tag const a = document.createElement(‘a’); // Add link a.href=”http://yourlink.com”; // Add Text a.innerText=”Custom Link”; // `dataRow` should be a HTML Element dataRow.appendChild(a); solved onclick / anchor tag- javascript in HTML

[Solved] How to read a JSON file in Javascript [closed]

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JSON refers to JavaScript Object Notation, which is a data interchange format. Your JSON is not properly formatted. A proper JSON object would look something like [{“count”: 1, “timestamp”: 1257033601, “from”: “theybf.com”, “to”: “w.sharethis.com”},{“count”: 1, “timestamp”: 1257033601, “from”: “”, “to”: “agohq.org”}] You can get the JSON from desired URL using $.getJSON(), like $.getJSON( “Yoururl”, function( … Read more