I am trying to figure out a way to assign the same randomly generated color to two separate objects. Does anyone have any suggestions on how I could link these two objects so that they always have matching colors, refreshed whenever a condition is met? Thank you! // By the way, any coding language tips are appreciated
An easy fix is to create a single random color and apply it to both elements. Define this process in a function called updateColors and invoke it when necessary.
if (criteria) {
updateColors()
}
function updateColors () {
// generate new color
let color = getRandomColor()
// set First Element color
body_first.style.color = color
// set Second Element color
body_second.style.color = color
}
If you're looking for a way to dynamically change the color of elements on your website, I suggest using CSS variables, also known as custom properties:
function randomColor() {
const r = Math.floor(Math.random() * 256);
const g = Math.floor(Math.random() * 256);
const b = Math.floor(Math.random() * 256);
return `rgb(${r},${g},${b})`;
}
const root = document.documentElement;
root.style.setProperty("--random-color", randomColor());.element-1,
.element-2 {
background-color: var(--random-color);
}<p class="element-1">Element 1</p>
<hr />
<p class="element-2">Element 2</p>To set a default value for the custom property in your CSS file, you can do the following:
:root {
--random-color: rebeccapurple;
}
Ensure that your elements utilize this property by using the CSS var() function:
.element-1,
.element-2 {
background-color: var(--random-color);
}
If you want to update the color based on certain conditions, you can use JavaScript's style.setProperty method within an if statement:
if (condition) {
const root = document.documentElement;
root.style.setProperty("–random-color", randomColor());
}
For further insights on dynamically managing custom properties, check out this informative article.
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