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var data_title = data.title.trim().toLowerCase();
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var data_url = data.url;
data_url = data_url.indexOf('/') === 0 ? data.url : '/' + data_url;
var index_title = -1;
var index_content = -1;
var first_occur = -1;
// only match artiles with not empty titles and contents
if (data_title !== '' && data_content !== '') {
keywords.forEach(function (keyword, i) {
index_title = data_title.indexOf(keyword);
index_content = data_content.indexOf(keyword);
if (index_title < 0 && index_content < 0) {
isMatch = false;
} else {
if (index_content < 0) {
index_content = 0;
}
if (i === 0) {
first_occur = index_content;
}
}
});
}
// show search results
if (isMatch) {
str += "<li><a href='" + data_url + "' class='search-result-title'>" + data_title + "</a>";
var content = data.content.trim().replace(/<[^>]+>/g, "");
if (first_occur >= 0) {
// cut out 100 characters
var start = first_occur - 20;
var end = first_occur + 80;
if (start < 0) {
start = 0;
}
if (start === 0) {
end = 100;
}
if (end > content.length) {
end = content.length;
}
var match_content = content.substr(start, end);
// highlight all keywords
keywords.forEach(function (keyword) {
var regS = new RegExp(keyword, "gi");
match_content = match_content.replace(regS, "<em class=\"search-keyword\">" + keyword + "</em>");
});
str += "<p class=\"search-result\">" + match_content + "...</p>"
}
str += "</li>";
}
});
str += "</ul>";
$resultContent.innerHTML = str;
});
}
});
};
searchFunc('/search.xml', 'searchInput', 'searchResult');
});
</script>
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