问JavaScript -高效地查找包含大量字符串中的一个的所有元素。

EN

sortedStrings.each(function(it) {
     document.body.innerHTML.replace(new RegExp('(\S+?)="[^"]*'+escapeRegExChars(it)+'[^"]*"','g'),function(s,attr) {
        $('[+attr+'*='+it+']').addClass('ATTR');
     });
});

function dfs(iterator,scope) {
    scope = scope || document.body;
    $(scope).children().each(function() {
        return dfs(iterator,this);
    });
    return iterator.call(scope);
}

var escapeChars = /['\/.*+?|()[\]{}\\]/g;
function safe(text) { 
    return text.replace(escapeChars, '\\$1');
}

function eachKey(iterator) {
    var key, lit, i, len, exp;
    for(i = 0, len = keys.length; i < len; i++) {
        key = keys[i].trim();
        lit = (delim + key + delim);
        exp = new RegExp(delim + '(' + safe(key) + ')' + delim,'g');            
        iterator(key,lit,exp);
    }
}

$(function() {
    keys = keys.sort(function(a,b) {
        return b.length - a.length;
    });

    dfs(function() {
        var a, attr, html, val, el = $(this);
        eachKey(function(key,lit,exp) {
            // check attributes
            for(a in el[0].attributes) {
                attr = el[0].attributes[a].nodeName;
                val = el.attr(attr);
                if(exp.test(val)) {
                    el.addClass(attrClass);
                    el.attr(attr,val.replace(exp,"$1"));
                }
            }
            // check all content
            html = el.html().trim();
            if(html === lit) {
                el.addClass(theClass);
                el.html(key); // remove delims
            } else if(exp.test(html)) {
                // check partial content
                el.html(html.replace(exp,wrapper));
            }
        });
    });
});