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我在下面的此JavaScript代码搜索任何单词输入到文本字段。现在,需要搜索的文本在这个示例文本中包含特殊字符,如撇号和点:“和Zeb'uun的部落。”搜索文本中的特殊字符
现在,我该如何采用我的JS代码来包含这些特殊字符?如果我在我的文本框中输入没有特殊字符的Zebulun,则搜索功能找不到它。
var SearchResultCount = 0;
var a = new Array();
var oneTime = false;
// helper function, recursively searches in elements and their child nodes
function HighlightAllOccurencesOfStringForElement(element,keyword) {
if (element) {
if (element.nodeType == 3) { // Text node
while (true) {
var value = element.nodeValue; // Search for keyword in text node
var idx = value.toLowerCase().indexOf(keyword;
if (idx < 0) break; // not found, abort
var span = document.createElement("span");
var text = document.createTextNode(value.substr(idx,keyword.length));
span.appendChild(text);
span.setAttribute("class","MyAppHighlight");
text = document.createTextNode(value.substr(idx+keyword.length));
element.deleteData(idx, value.length - idx);
var next = element.nextSibling;
element.parentNode.insertBefore(span, next);
element.parentNode.insertBefore(text, next);
element = text;
span.scrollIntoView();
span.style.background= "-webkit-linear-gradient(top, #FAE309, #FFF7AA)";
span.style.fontWeight = "bold";
span.style.padding = "2px";
span.style.borderRadius = "5px";
span.style.boxShadow = "0px 0px 2px black";
a.push(span); // SET THIS CODE HERE
SearchResultCount++; // update the counter
}
} else if (element.nodeType == 1) { // Element node
if (element.style.display != "none" && element.nodeName.toLowerCase() != 'select') {
for (var i=element.childNodes.length-1; i>=0; i--) {
HighlightAllOccurencesOfStringForElement(element.childNodes[i],keyword);
}
}
}
}
}
// the main entry point to start the search
function HighlightAllOccurencesOfString(keyword) {
RemoveAllHighlights();
HighlightAllOccurencesOfStringForElement(document.body, keyword.toLowerCase());
}