- Динамическое изменение фона javascript
- Javascript: смена фона страницы в реальном времени
- 38 JavaScript Background Effects
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- Динамическое изменение цвета фона
- Решение
Динамическое изменение фона javascript
БлогNot. Javascript: смена фона страницы в реальном времени
Javascript: смена фона страницы в реальном времени
В этой старой заметке всё написано хорошо, только не предполагается возможность смены фона чаще, чем раз в сутки по календарю. Всё можно сделать намного проще, JQuery для этой небольшой задачи не нужен.
1. Назначить идентификатор тегу , например:
2. Включить в тело страницы скрипт, управляющий сменой фона в зависимости от времени, например, такой:
Здесь графические файлы, перечисленные в массиве banner , «лежат» в той же папке, что и файл со скриптом, а фон меняется каждую секунду — первый файл выводится, когда значение секунд чётно ( sec%2 делается равно 0 ), второй — когда оно нечётно (соответственно, sec%2==1 ).
Аналогично можно получать, например, минуты из объекта date и вызывать функцию с таймаутом 60000 вместо 1000.
Аналогично можно менять фон по некоторому внешнему событию, такому, как нажатие кнопки. Непонятно только, зачем это нужно 🙂
Можно сделать ещё вот так, без необходимости назначать id на тег :
03.07.2013, 00:40 [17617 просмотров]
38 JavaScript Background Effects
Collection of hand-picked free vanilla JavaScript background effect code examples: change background color or image, animated, with canvas and etc. Update of February 2020 collection. 24 new items.
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JavaScript Canvas
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Animates connected nodes about a grid.
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Metaballs — WebGL
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Динамическое изменение цвета фона
Нужно релизовать блок (После ввода, фигура не важно), при вхождении курсора и дальнейшем движении по нему цвет фона этого блока должен плавно менятся (не важно какие цвета, скорость и повторения).
Если кому не трудно и кто знает как это решить прощу помочь.
Нужно завтра в обед.
Сейас буду пытаться сам найти решение, но пока что сомневаюсь что выйдет.
надеюсь кто то поможет.
Заранее спасибо.
Добавлено через 1 минуту
Использовать можно JS, CSS и HTML;
Изменение фона — плавное изменение цвета
Не фурычит плавное изменение цвета. Если переменные r g b через рандом то всё работает отлично.
Динамическое изменение фона страницы
Как реализовать смену фона через определенный промежуток времени?
Изменение цвета фона по клику на чекбокс
Помогите, пожалуйста, решить проблему. Нужно, чтобы при отмеченном чекбоксе цвет фона родительского.
Изменение цвета фона и строки состояния
Напишите код таким образом, чтобы при наведении на фразу «строка состояния» (Рис. 1), цвет фона.
function getRandomColor() { var color = []; while (color.length 3) color.push(Math.floor(Math.random() * 255)); return 'rgb('+color.join(', ')+')'; } document.body.onmousemove = function() { document.body.style.backgroundColor = getRandomColor(); }
Balanaar, Спасибо. Будет с чего начать работу. Не знаете как сделать плавное изменение цвета?
Добавлено через 8 минут
Balanaar, Спасибо. Будет с чего начать работу. Не знаете как сделать плавное изменение цвета?
Balanaar, что бы когда ведешь курсором не повялялся новый цывет а что бы старый перетекал в новый
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
var currentColor = [255, 255, 255]; var nextColor = getRandomColor(); var currentStep = 0; var steps = 100; function getRandomColor() { var color = []; while (color.length 3) color.push(Math.floor(Math.random() * 255)); return color; } document.body.onmousemove = function() { currentStep++; document.body.style.backgroundColor = 'rgb( ' + currentColor.map(function(e,i){ return Math.floor(e + (nextColor[i] - e) * currentStep / steps); }).join(', ') + ')'; if (currentStep == 100) { currentStep = 0; currentColor = nextColor; nextColor = getRandomColor(); } }
Поместите код между тегами
Добавлено через 25 секунд
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
body>body> script> var currentColor = [255, 255, 255]; var nextColor = getRandomColor(); var currentStep = 0; var steps = 100; function getRandomColor() { var color = []; while (color.length 3) color.push(Math.floor(Math.random() * 255)); return color; } document.body.onmousemove = function() { currentStep++; document.body.style.backgroundColor = 'rgb( ' + currentColor.map(function(e,i){ return Math.floor(e + (nextColor[i] - e) * currentStep / steps); }).join(', ') + ')'; if (currentStep == steps) { currentStep = 0; currentColor = nextColor; nextColor = getRandomColor(); } } script>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
html> head> meta http-equiv="Content-Type" content="text/html; charset=utf-8"> head> body> script> var currentColor = [255, 255, 255]; var nextColor = getRandomColor(); var currentStep = 0; var steps = 100; function getRandomColor() { var color = []; while (color.length 3) color.push(Math.floor(Math.random() * 255)); return color; } document.body.onmousemove = function() { currentStep++; document.body.style.backgroundColor = 'rgb( ' + currentColor.map(function(e,i){ return Math.floor(e + (nextColor[i] - e) * currentStep / steps); }).join(', ') + ')'; if (currentStep == 100) { currentStep = 0; currentColor = nextColor; nextColor = getRandomColor(); } } script> body> html>
Сообщение было отмечено ExXtaZzyUA как решение
Решение
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html> head> meta http-equiv="Content-Type" content="text/html; charset=utf-8"> head> body> body> script> var currentColor = [255, 255, 255]; var nextColor = getRandomColor(); var currentStep = 0; var steps = 100; function getRandomColor() { var color = []; while (color.length 3) color.push(Math.floor(Math.random() * 255)); return color; } document.body.onmousemove = function() { currentStep++; document.body.style.backgroundColor = 'rgb( ' + currentColor.map(function(e,i){ return Math.floor(e + (nextColor[i] - e) * currentStep / steps); }).join(', ') + ')'; if (currentStep == 100) { currentStep = 0; currentColor = nextColor; nextColor = getRandomColor(); } } script> html>
Добавлено через 3 минуты
Только в 25й строке замените 100 на steps.
Так грамотнее будет.