How Can I Conditionally Apply CSS Styles in AngularJS?

Conditionally Applying CSS Styles in AngularJS

Q1: Dynamically Styling Items Before Deletion

To apply or remove CSS styling conditionally based on checkbox selection, consider using ng-class. It allows you to assign a CSS class based on a boolean value. For example:

<div ng-repeat="item in items">
  <div ng-class="{'pending-delete': item.checked}"></div>
  <input type="checkbox" ng-model="item.checked">
</div>

Q2: User-Defined Style Personalization

For allowing users to customize site presentation, ng-style is a suitable option. It enables dynamic styling based on a map of CSS properties and values. For instance:

<div class="main-body" ng-style="{ color: myColor }">
  <input type="text" ng-model="myColor" placeholder="Enter a color name">
</div>

Built-In AngularJS Directives for Conditional Styling

AngularJS offers various directives for conditional styling:

• ng-class: Apply or remove a specific CSS class based on a condition.
• ng-style: Change specific CSS properties based on a condition.
• ng-show: Display an element when a condition is true, otherwise hide it.
• ng-hide: Hide an element when a condition is true, otherwise display it.
• ng-if: Remove an element from the DOM when a condition is false.
• ng-switch: Switch between different elements based on a single condition.
• ng-disabled: Disable a form element if a condition is true.
• ng-readonly: Make a form input field read-only if a condition is true.
• ng-animate: Add CSS3 transitions and animations.

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