간단한 JS 코드 압축기_javascript 기술-JS 튜토리얼-php.cn

1.

코드 복사 코드는 다음과 같습니다. - 출처 : http://www.iecn.net/bbs/view/105499 .html - IECN.NET 2006-09-22 -->

type="text/ javascript"&gt ; //모든 주석 제거 String.prototype.DeleteComment = function () { var str = this.replace(/(['"])(. ?)( [' "])/g,function(s,s1,s2,s3){return s1 s2.replace(/[/*]/g,"\$&") s3}); str = str. 교체( ///[^r] |/*[sS] ?*//g,"") str = str.replace(/(['"])(. ?)(['"] )/ g,function(s,s1,s2,s3){return s1 s2.replace(/\([^\])/g,"$1") s3}) return str; //형식 코드 String.prototype.FormatCode = function () { return this.replace(/\$/mg,"").replace(/[^s>;] $/ mg,"$&;"); } //문자열 앞과 뒤의 추가 공백을 삭제합니다. String.prototype.Trim = function (m) { return this .replace( m ? /^s*|s*$/mg : /^s*|s*$/g, "") } //코드 실행 function RunCode(obj) { window.open('','_blank').document.write(obj.value) }

테스트 코드: &lt ;br/> 🎜> 테스트 코드 */ var x=5; document.write("x = // " x) document.write("bh/* " x); >document.write("x =jjhj */hhhhhh " x); document.write("x = // " x)

alert(22)

alert( 22)

var a="/fwe/////wefawef"; alert(/^/*[^/]*$/.test(a)) // 댓글

1단계: 댓글 삭제

2단계: 코드 형식 지정

3단계: 양쪽 공백 제거

4단계: 코드 실행

2.

코드 복사

코드는 다음과 같습니다. 형식 /**//**//** ** ======================================== == =============================================== == ======= ** 클래스 이름: CLASS_FORMATER ** 함수: JS 형식화 ** 예: ------------- --- ---------------------------------- --- ----------------------

var xx = new CLASS_FORMATER( 코드);

document.getElementById("display").innerHTML = xx.format();

------------------ -------- ---------------- -------- --------------- ** 작성자: ttyp ** 이메일 : ttyp@21cn.com ** 날짜: 2006-5-21 ** 버전: 0.1 * * ======= ========================================= ======== ======================================== *** ** =================== ================================================= ============================ ** 특정명：CLASS_FORMATER ** 功能：JS格式化 ** 예문: ----------------------------- ------------------------------------- -------

var xx = new CLASS_FORMATER(코드);

document.getElementById("display").innerHTML = xx.format();

------------------------------- ------------------------------------- ----- ** 작곡자:ttyp ** 邮件： ttyp@21cn.com ** 日期：2006-5-21 ** 版本：0.1 ** ======================== ================================================= ====================== **/

함수 CLASS_FORMAT(코드){ //哈希表类 함수 Hashtable(){ this._hash = new Object(); this.add = 함수(키, 값){ if(typeof(key)!="미정의"){ if(this.contain s(key)==false){ 이 ._hash[키]=typeof(값)=="정의되지 않음"?null:값; true를 반환합니다. } else { false를 반환합니다. } } 그렇지 않으면 { return false; } } this.remove = function(key){delete this._hash[key];} this.count = function(){var i=0;for(var k in this._hash){i ;} return i;} this.items = function(key){return this._hash[key];} this.contains = function(key){return typeof(this._hash[key])!="정의되지 않음";} this.clear = function(){for(var k in this._hash){delete this._hash[k];}}

}

this._caseSensitive = true;

//字符串转换为哈希表 this.str2hashtable = function(key,cs){

var _key = key.split(/,/g); var _hash = new Hashtable(); var _cs = true;

if(typeof(cs)=="undefed"||cs==null){ _cs = this._caseSensitive; } else { _cs = cs; }

for(var i in _key){ if(_cs){ _hash.add(_key[i]); } else { _hash.add((_key[i] "").toLowerCase()); }

} return _hash; }

//获得需要转换的代码 this._codetxt = code;

if(typeof(syntax)=="정의되지 않음"){ 구문 = ""; }

this._deleteComment = false; //是否大写敏感 this._caseSensitive = true; //可以后face加块语句的关键字 this._blockElement = this.str2hashtable("switch,if,while,try,finally"); //是函数申明 this._function = this.str2hashtable("function"); //本行括号内分号不做换行 this._isFor = "for";

this._choiceElement = this.str2hashtable("else,catch");

this._beginBlock = "{"; this._endBlock = "}";

this._singleEyeElement = this.str2hashtable("var,new,return,else,delete,in,case"); //得到分割字符 this._wordDelimiters= " ,.?!;:\/<>(){}[]"'rnt= -|*%@#$^&"; //인용 문자 this._quotation = this.str2hashtable("",'"); //줄 주석 문자 this._lineComment = "//"; //이스케이프 문자 this._escape = "\" //여러줄 인용 시작 this._commentOn = "/* “; _in 🎜>

this.format = function() { var codeArr = new Array() var word_index = 0 var htmlTxt = new Array();

if(this.isCompress ){ this._deleteComment = true; }

//분할 문자 배열 가져오기(단어 분할) for (var i = 0; i codeArr[word_index] = """ codeArr[ word_index] = this._codet xt.charAt(i); codeArr[word_index] = this._codetxt.charAt (i);

} }else{ htmlTxt[htmlTxt.length] = codeArr[i]; }

} else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr[i]==this._endBlock){ if(!this.isCompress){ this._tabNum-- ; if(i htmlTxt[htmlTxt.length] = "n" this.getIdent() codeArr[i]; }else{ htmlTxt[htmlTxt.length] = "n" this.getIdent() codeArr[i]; } }else{ if(i htmlTxt[htmlTxt.length] = codeArr[i] this._rowEnd; }else{ htmlTxt[htmlTxt.length] = codeArr[i]; } } //处理关键字 } 그렇지 않으면 (!slash_slash_comment_opened&&!slash_star_ comment_opened && !quote_opened && this.isBlockElement(codeArr[i])){ htmlTxt[htmlTxt.length ] = codeArr[i]; //处理内置对象(后面加一个空格) } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isSingleE yeElement(codeArr[i])){ if(codeArr[i]= =this._in){ htmlTxt[htmlTxt.length] = " "; } htmlTxt[htmlTxt.length] = codeArr[i] " "; //处理双引号（引号前不能为转义字符） } else if (!slash_star_comment_opened&&!slash_slash_comment_opened&&this._quotation.contains(codeArr[i])){ if (quote_opened){ //是상应의 引号 if(quote_char==codeArr[i]){ htmlTxt[htmlTxt.length] = codeArr[i]; quote_opened = false; quote_char = ""; } else { htmlTxt[htmlTxt.length] = codeArr[i]; } } else { htmlTxt[htmlTxt.length] = codeArr[i]; quote_opened = true; quote_char = codeArr[i]; } //处理转义字符 } else if(codeArr[i] == this._escape){ htmlTxt[htmlTxt.length] = codeArr[i]; if(i if(codeArr[i 1].charCodeAt(0)>=32&&codeArr[i 1].charCodeAt(0) htmlTxt [htmlTxt.length] = codeArr[i 1].substr(0,1); htmlTxt[htmlTxt.length] = codeArr[i 1].substr(1); i=i 1; } } /////处理多行注释的开始 } else if (!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._commentOn,codeArr,i)){ slash_star_comment_opened = true; if(!this._deleteComment){ htmlTxt[htmlTxt.length] = this._commentOn; } i = i this.getSkipLength(this._commentOn); //处理单行注释 } else if (!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._lineComment,codeArr,i)){ slash_slash_comment_opened = true; if(!this._deleteComment){ htmlTxt[htmlTxt.length] = this._lineComment; } i = i this.getSkipLength(this._lineComment); //处理忽略词 slash_slash_comment_opened = true; htmlTxt[htmlTxt.length] = this._ignore; i = i this.getSkipLength(this._ignore); //처리다행注释结束 } else if (!quote_opened&&!slash_slash_comment_opened&&this.isStartWith(this._commentOff,codeArr,i)){ if (slash_star_comment_opened) { slash_star_comment_opened = false; if(!this._deleteComment){ htmlTxt[htmlTxt.length] = this._commentOff; } //문자열에 없음 ~ 댓글에는 없음 if(!slash_slash_comment_opened && !slash _star_comment_opened){ if(! 🎜> }그밖에{ ~ 와 함께 = function(str,code,index ){

if(typeof(str)!="undefine"&&str.length>0){ var cc = new Array() for(var i=index;i&lt ;색인 str.length;i ){ cc[cc.length] if(str.length>=code[index].length&&c.indexOf(str)==0){ if(str .length&gt ;=code[index].length&&c.toLowerCase().indexOf(str.toLowerCase())==0){ false를 반환합니다.

} else { false를 반환합니다. } }

this.isFunction = function(val){ return this._function.contains(this._caseSensitive?val:val.toLowerCase()); }

this.isBlockElement = function(val) { return this._blockElement.contains(this._caseSensitive?val:val.toLowerCase()); }

this.isChoiceElement = function(val) { return this._choiceElement.contains(this._caseSensitive?val:val.toLowerCase()); }

this.isSingleEyeElement = function(val) { return this._singleEyeElement.contains(this._caseSensitive?val:val.toLowerCase()); }

this.isNextElement = function(from,word){ for(var i=from;i if(word[i]! =" "&&word[i]!="t"&&word[i]!="r"&&word[i]!="n"){ return this.isChoiceElement(word[i]); } } false를 반환; }

this.getSkipLength = function(val){ var count = 0; for(var i=0;i if(this._wordDelimiters.indexOf(val.charAt(i))>=0){ 개수 ; } } if(count>0){ count=count-1; } 반품 횟수; }

this.getIdent=function(){ var n = []; for(var i=0;i n[n.length] = "t"; } return n.join(""); } }

함수 doformat(o){ var htmltxt = "";

if (o == null){ alert("domNode가 null입니다!"); 반품; }

var _codetxt = "";

if(typeof(o)=="object"){ switch(o.tagName){ case "TEXTAREA": case "INPUT" _code txt = o.값; 휴식; 케이스 'DIV': 케이스 'SPAN': _codetxt = o.innerText; 휴식; 기본값: _codetxt = o.innerHTML; 휴식; } }else{ _codetxt = o; }

var _syn = new CLASS_FORMAT(_codetxt); htmltxt = _syn.format(); return htmltxt; }

function go() { var code = document.getElementById("code").value; var xx = 새로운 CLASS_FORMAT(코드); var a = new Date();

if(document.getElementById('cboOperate').selectedIndex==1){ xx.isCompress=true; }else{ xx.style = parseInt(document.getElementById('cboStyle').value); } document.getElementById("display").value = xx.format(); alert("共꽃：" (new Date().getTime()-a.getTime()) "ms"); } //--> /* 这个是一个类 */

함수 xx (num,str){//说明 var a = num;this.aa = a ; this.bb = function(){alert(str);} this.cc = function(){for(var i=0;i<10;i ){document.title=i;}} };

xx.prototype.dd= function(){alert("d d kd");}

var a = new xx(100,"hello"),b=new xx( 0,"typ"); if(1>2) { alert(); } else { alert(" 젠장 "); }

a.bb(); b.dd(); 경고(a.aa);

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