In Angular app: How to change icon color by hovering over?

In Angular app, how do I get the icon to change the color while the mouse is hovering? This is a common user interface enhancement requirement. This article will introduce an effective way to implement this function.

Many Angular developers face the challenge of dynamically adjusting icon colors, especially achieving mouse hover effects. For example, you want the icon color to change when the mouse is hovering over the icon, thereby improving the user experience.

The color of Angular icons is usually controlled by CSS style. If the icon itself defines a color attribute, it is preferred; otherwise, it inherits the color of the parent element. The mouse hover style usually acts on the parent element, not the icon element itself.

Therefore, setting the hover style directly on the icon element may not work. The best practice is to use CSS selectors, such as div:hover .icon { color: red; } . Where div represents the parent element (can be replaced with other suitable element selectors, such as button ), and .icon represents the CSS class name of the icon. This way, the icon color will change when the mouse hovers over the parent element.

If the above method is invalid, you need to check the priority of the CSS style. Make sure your hover style has higher priority than other styles that may affect the icon color. This may require a more specific CSS selector, or (overuse is not recommended) !important to increase priority. Double-check your CSS code, find the style of conflict and adjust it to achieve the effect of hovering over to change the icon color.

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