统计jQuery中各字符串出现次数的工具_jquery

如果使用一个变量替换，使用工具压缩时将会进一步减少文件的大小。

if (keywords.constructor !== Array) {
return;
}

keywords.forEach(function(it) {
rObj[it] = RegExp(''+it, 'g');
});

return rObj;
}
function count(rObj, source, callback, sortType) {
var r,
rarr,
num,
type,
func,
result = [];

var subCount = function(arr) {
var i, re, num, resu;
i = num = 0;

for (i; ire = arr[i];
while( (resu=re.exec(source)) != null ) {
num++;
}
}

return num;
};

for (type in rObj) {
rarr = rObj[type];

if (rarr.constructor !== Array) {
rarr = [rarr];
}

num = subCount(rarr);
result.push({type: type, num: num});
}

// sort 0:次数顺序 1:次数倒序
if (typeof sortType !== 'undefined') {
if (sortType===0) {
func = function(a, b) {
return a.num - b.num;
};
} else if (sortType===1) {
func = function(a, b) {
return b.num - a.num;
};
}
result.sort(func);
}

callback(result);

}
function main(keywords, source, callback, sortType) {
var rObj = keywords.constructor === Array ? buildRe(keywords) : keywords;
count(rObj, source, callback, sortType);
}
var rObj = {
string: [/\'string\'/g, /\"string\"/g],
number: [/\'number\'/g, /\"number\"/g],
'boolean': [/\'boolean\'/g, /\"boolean\"/g],
object: [/\'object\'/g, /\"object\"/g],
'undefined': [/\'undefined\'/g, /\"undefined\"/g],
'function': [/\'function\'/g, /\"function\"/g],
'array': [/\'array\'/g, /\"array\"/g],
'ready': [/\'ready\'/g, /\"ready\"/g],
input: [/\'input\'/g, /\"input\"/g],
type: [/\'type\'/g, /\"type\"/g],
text: [/\'text\'/g, /\"text\"/g],
radio: [/\'radio\'/g, /\"radio\"/g],
checkbox: [/\'checkbox\'/g, /\"checkbox\"/g],
password: [/\'password\'/g, /\"password\"/g],
submit: [/\'submit\'/g, /\"submit\"/g],
button: [/\'button\'/g, /\"button\"/g],
id: [/\'id\'/g, /\"id\"/g],
div: [/\'div\'/g, /\"div\"/g],
body: [/\'body\'/g, /\"body\"/g],
html: [/\'html\'/g, /\"html\"/g],
HTML: [/\'HTML\'/g, /\"HTML\"/g],
parentNode: [/\'parentNode\'/g, /\"parentNode\"/g],
nextSibling: [/\'nextSibling\'/g, /\"nextSibling\"/g],
iframe: [/\'iframe\'/g, /\"iframe\"/g],
before: [/\'before\'/g, /\"before\"/g],
after: [/\'after\'/g, /\"after\"/g],
script: [/\'script\'/g, /\"script\"/g],
width: [/\'width\'/g, /\"width\"/g],
height: [/\'height\'/g, /\"height\"/g],
top: [/\'top\'/g, /\"top\"/g],
left: [/\'left\'/g, /\"left\"/g],
absolute: [/\'absolute\'/g, /\"absolute\"/g],
relative: [/\'relative\'/g, /\"relative\"/g],
'static': [/\'static\'/g, /\"static\"/g],
fixed: [/\'fixed\'/g, /\"fixed\"/g],
href: [/\'href\'/g, /\"href\"/g],
border: [/\'border\'/g, /\"border\"/g],
margin: [/\'margin\'/g, /\"margin\"/g],
marginTop: [/\'marginTop\'/g, /\"marginTop\"/g],
marginBottom: [/\'marginBottom\'/g, /\"marginBottom\"/g],
marginLeft: [/\'marginLeft\'/g, /\"marginLeft\"/g],
marginRight: [/\'marginRight\'/g, /\"marginRight\"/g],
padding: [/\'padding\'/g, /\"padding\"/g],
paddingTop: [/\'paddingTop\'/g, /\"paddingTop\"/g],
paddingLeft: [/\'paddingLeft\'/g, /\"paddingLeft\"/g],
paddingRight: [/\'paddingRight\'/g, /\"paddingRight\"/g],
display: [/\'display\'/g, /\"display\"/g],
olddisplay: [/\'olddisplay\'/g, /\"olddisplay\"/g],
none: [/\'none\'/g, /\"none\"/g],
hidden: [/\'hidden\'/g, /\"hidden\"/g],
inline: [/\'inline\'/g, /\"inline\"/g],
opacity: [/\'opacity\'/g, /\"opacity\"/g],
show: [/\'show\'/g, /\"show\"/g],
hide: [/\'hide\'/g, /\"hide\"/g],
toggle: [/\'toggle\'/g, /\"toggle\"/g],
json: [/\'json\'/g, /\"json\"/g],
success: [/\'success\'/g, /\"success\"/g],
fxshow: [/\'fxshow\'/g, /\"fxshow\"/g],
fx: [/\'fx\'/g, /\"fx\"/g],
'.run': [/\'.run\'/g, /\".run\"/g],
'http:': [/\'http:\'/g, /\"http:\"/g],
error: [/\'error\'/g, /\"error\"/g],
abort: [/\'abort\'/g, /\"abort\"/g],
GET: [/\'GET\'/g, /\"GET\"/g],
POST: [/\'POST\'/g, /\"POST\"/g],
get: [/\'get\'/g, /\"get\"/g],
filter: [/\'filter\'/g, /\"filter\"/g],
px: [/\'px\'/g, /\"px\"/g]
};
function callback1(result) {
var obj = result[0];
var myshowEL = $('#myshow1');
myshowEL = myshowEL.empty();
myshowEL.append('' + obj.type + ': ' + obj.num + '');
}
function callback2(result) {
var myshowEL = $('#myshow2');
myshowEL = myshowEL.empty();
for (var i=0; ivar obj = result[i];
myshowEL.append('"' + obj.type + '": ' + obj.num + '');
}
}
$('#mybtn1').click(function(){
var $txtarea = $('#myjquery');
var source = $txtarea.val();
var val = $('#myinput').val();
if (val == '' || val.length<2) {
alert('至少两个字符');
return;
}
var keywords = [val];
main(keywords, source, callback1, 1)
});
$('#mybtn2').click(function(){
var $txtarea = $('#myjquery');
var source = $txtarea.val();
main(rObj, source, callback2, 1);
});

}, 1000);
// ]]>