jQuery.Highlight.js
Text highlighting plugin for jQuery.Original code1 and documentation2.
Install
How to use this plugin.Note: This plugin requires jQuery to be included, which is left up to you.
First you need to install the module, which can be installed in one of the following ways:
npm install jquery-highlight
bower install jquery-highlight
component install knownasilya/jquery-highlight
# or just download it from Github
API
$.highlight
Function signature: highlight(word, options, callback)
The parameters are:
word
string|array
(required)
string such as
"lorem"
or "lorem ipsum"
or an array of string such as ["lorem", "ipsum"]
options
object
(optional)
object with the following available options
* `className` -- The CSS class of a highlighted element, defaults to 'highlight'.
* `element` -- The element that wraps the highlighted word, defaults to 'span'.
* `caseSensitive` -- If the search should be case sensitive, defaults to `false`.
* `wordsOnly` -- If we want to highlight partial sections of a word, e.g. 'ca' from 'cat', defaults to `false`.
* `wordsBoundary` -- If `wordsOnly` is set to `true`, this is used to determine these boundaries, defaults to `\\b` (word boundary).
* `wordsBoundaryStart` -- If `wordsOnly` is set to `true`, this is used to determine prefix word boundaries, defaults to the value of `wordsBoundary`.
* `wordsBoundaryEnd` -- If `wordsOnly` is set to `true`, this is used to determine suffix word boundaries, defaults to the value of `wordsBoundary`.
callback function
(optional)function that will be called for each DOM node/element highlighted
$.unhighlight
Function signature: unhighlight(options)
:The parameters are:
options
object
(optional)object with the following available options
className
-- The highlights to remove based on CSS class, defaults to 'highlight'.
element
-- The highlights to remove based on HTML element, defaults to 'span'.Examples
Below are several ways that you can utilize this plugin.// wrap every occurrence of text 'lorem' in content
// with <span class='highlight'> (default options)
$('#content').highlight('lorem');
// search for and highlight more terms at once
// so you can save some time on traversing DOM
$('#content').highlight(['lorem', 'ipsum']);
$('#content').highlight('lorem ipsum');
// wrap every occurrence of text 'lorem' in content
// with <span class='highlight'> (default options)
// log every word highlighted to the console using the invoked callback
$('#content').highlight('lorem', {}, function(el) {
console.log('highligting DOM element', el)
});
// search only for entire word 'lorem'
$('#content').highlight('lorem', {
wordsOnly: true
});
// search only for the entire word 'C#'
// and make sure that the word boundary can also
// be a 'non-word' character, as well as a regex latin1 only boundary:
$('#content').highlight('C#', {
wordsOnly: true,
wordsBoundary: '[\\b\\W]'
});
// search only for the entire word 'C++'
// and make sure that the word boundary can also
// be a 'non-word' character, as well as a regex latin1 only boundary:
$('#content').highlight('C++', {
wordsOnly: true,
wordsBoundaryEnd: '\\W*\\b'
});
// don't ignore case during search of term 'lorem'
$('#content').highlight('lorem', {
caseSensitive: true
});
// wrap every occurrance of term 'ipsum' in content
// with <em class='important'>
$('#content').highlight('ipsum', {
element: 'em',
className: 'important'
});
// remove default highlight
$('#content').unhighlight();
// remove custom highlight
$('#content').unhighlight({
element: 'em',
className: 'important'
});