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Adds highlighting to selected sections of an HTML element's content.

Basic Usage

<div
    [adf-highlight]="dance"
    adf-highlight-selector=".highlightable"
    adf-highlight-class="greenHighlight"
>
    <div class="highlightable">You can dance if you want to</div>
</div>

Class members

Properties

NameTypeDefault valueDescription
classToApplystring"adf-highlight"CSS class used to apply highlighting.
searchstring""Text to highlight.
selectorstring""Class selector for highlightable elements.

Details

Add adf-highlight with a search term to an element to highlight occurrences of that term in its content. For example:

<div [adf-highlight]="'dance'" adf-highlight-selector=".highlightable">
    <div class="highlightable">
        You can dance if you want to
    </div>
</div>

This will result in the word "dance" being highlighted. Note that you must also specify adf-highlight-selector, a CSS selector that specifies which elements can have their contents highlighted.

If the search string contain spaces then each section between the spaces will be treated as a separate item to highlight. For example, you could use this to highlight all occurrences of words in a list.

The highlighting works by adding an HTML <span> element around the selected text. The <span> includes a CSS class; this defaults to "adf-highlight" but you can supply your own class using the adf-highlight-class property:

<div
    [adf-highlight]="'dance'"
    adf-highlight-selector=".highlightable"
    adf-highlight-class="myGreenHighlight">
    <div class="highlightable">
        You can dance if you want to
    </div>
</div>

See also

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