Created
February 10, 2013 19:41
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function highlight(text, words, tag) { | |
// Default tag if no tag is provided | |
tag = tag || 'span'; | |
var i, len = words.length, re; | |
for (i = 0; i < len; i++) { | |
// Global regex to highlight all matches | |
re = new RegExp(words[i], 'g'); | |
if (re.test(text)) { | |
text = text.replace(re, '<'+ tag +' class="highlight">$&</'+ tag +'>'); | |
} | |
} | |
return text; | |
} | |
function unhighlight(text, tag) { | |
// Default tag if no tag is provided | |
tag = tag || 'span'; | |
var re = new RegExp('(<'+ tag +'.+?>|<\/'+ tag +'>)', 'g'); | |
return text.replace(re, ''); | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
$('p').html( highlight( | |
$('p').html(), // the text | |
['foo', 'bar', 'baz', 'hello world'], // list of words or phrases to highlight | |
'strong' // custom tag | |
)); |
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