![]() ![]() Since we’re talking about styles, it is “fitting” to imagine a simple application that lets users browse for hair and if they like it they can get it. Whenever the template expression evaluates to a different value from before, the change detection system will apply the new style to the view. For example, for background-color, the template expression could evaluate to the value #dda0dd. In our case, it should evaluate to the CSS property value that we want to assign to the CSS property. The string assigned to the binding is a template expression which gets evaluated to a value. The second part of the property binding is the template expression. Property binding is the right fit when styling only one CSS property. ![]() Now, let us look at how to dynamically change inline styles in Angular. They are camelCased as properties on the style object. Remember, CSS properties are things like, display, background-color, top and are dash-case. The style property is an object as well and has all the CSS properties as its properties. If we inspect the p tag in our example code above, we would see that it has a property called style. For example, to change the style, we need to change the style property values. Therefore, to dynamically change the values we need to change the properties. For example, highlight products on sale by changing the background colour of the elements that display those products.ĭynamic changes are made with JS/TS code where the HTML elements are represented as objects and the attributes are represented as the properties of these objects. We often need to change these values while the application is running based on some interaction or some logic. However, the attributes only provide the initial values, for example, the initial background colour in our style attribute. Without getting into too much detail, the gist is, attributes are used in the HTML document, at development time, to configure the HTML elements. Attributes vs Propertiesīefore we look at how to dynamically style elements, it is important to highlight the connection between attributes and properties. Only the CSS properties that are overridden are replaced, therefore, the p still inherits the style for padding (and any cascading styles from the global stylesheets). ![]() The inline style for the p element replaces the background-color and color styles from the element selector. ![]()
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