日期:2014-05-16  浏览次数:20432 次

学习Jquery 看js源文件问题
有人在学习jquery的时候去看js文件源文件吗?(注意不是api帮助文档),
我想问下 这个格式 怎么看 头都晕,
请大侠们 指点点。我想懂点原理 谢谢!

例如:
(function(a,b){function cg(a){return d.isWindow(a)?a:a.nodeType===9?a.defaultView||a.parentWindow:!1}function cd(a){if(!bZ[a]){var b=d("<"+a+">").appendTo("body"),c=b.css("display");b.remove();if(c==="none"||c==="")c="block";bZ[a]=c}return bZ[a]}function cc(a,b){var c={};d.each(cb.concat.apply([],cb.slice(0,b)),function(){c[this]=a});return c}function bY(){try{return new a.ActiveXObject("Microsoft.XMLHTTP")}catch(b){}}function bX(){try{return new a.XMLHttpRequest}catch(b){}}function bW(){d(a).unload(function(){for(var a in bU)bU[a](0,1)})}function bQ(a,c){a.dataFilter&&(c=a.dataFilter(c,a.dataType));var e=a.dataTypes,f={},g,h,i=e.length,j,k=e[0],l,m,n,o,p;for(g=1;g<i;g++){if(g===1)for(h in a.converters)typeof h==="string"&&(f[h.toLowerCase()]=a.converters[h]);l=k,k=e[g];if(k==="*")k=l;else if(l!=="*"&&l!==k){m=l+" "+k,n=f[m]||f["* "+k];if(!n){p=b;for(o in f){j=o.split(" ");if(j[0]===l||j[0]==="*"){p=f[j[1]+" "+k];if(p){o=f[o],o===!0?n=p:p===!0&&(n=o);break}}}}!n&&!p&&d.error("No conversion from "+m.replace(" "," to ")),n!==!0&&(c=n?n(c):p(o(c)))}}return c}function bP(a,c,d){var e=a.contents,f=a.dataTypes,g=a.responseFields,h,i,j,k;for(i in g)i in d&&(c[g[i]]=d[i]);while(f[0]==="*")f.shift(),h===b&&(h=a.mimeType||c.getResponseHeader("content-type"));if(h)for(i in e)if(e[i]&&e[i].test(h)){f.unshift(i);break}if(f[0]in d)j=f[0];else{for(i in d){if(!f[0]||a.converters[i+" "+f[0]]){j=i;break}k||(k=i)}j=j||k}if(j){j!==f[0]&&f.unshift(j);return d[j]}}function bO(a,b,c,e){if(d.isArray(b)&&b.length)d.each(b,function(b,f){c||bq.test(a)?e(a,f):bO(a+"["+(typeof f==="object"||d.isArray(f)?b:"")+"]",f,c,e)});else if(c||b==null||typeof b!=="object")e(a,b);else if(d.isArray(b)||d.isEmptyObject(b))e(a,"");else for(var f in b)bO(a+"["+f+"]",b[f],c,e)}function bN(a,c,d,e,f,g){f=f||c.dataTypes[0],g=g||{},g[f]=!0;var h=a[f],i=0,j=h?h.length:0,k=a===bH,l;for(;i<j&&(k||!l);i++)l=h[i](c,d,e),typeof l==="string"&&(!k||g[l]?l=b:(c.dataTypes.unshift(l),l=bN(a,c,d,e,l,g)));(k||!l)&&!g["*"]&&(l=bN(a,c,d,e,"*",g));return l}function bM(a){return function(b,c){typeof b!=="string"&&(c=b,b="*");if(d.isFunction(c)){var e=b.toLowerCase().split(bB),f=0,g=e.length,h,i,j;for(;f<g;f++)h=e[f],j=/^\+/.test(h),j&&(h=h.substr(1)||"*"),i=a[h]=a[h]||[],i[j?"unshift":"push"](c)}}}function bo(a,b,c){var e=b==="width"?bi:bj,f=b==="width"?a.offsetWidth:a.offsetHeight;if(c==="border")return f;d.each(e,function(){c||(f-=parseFloat(d.css(a,"padding"+this))||0),c==="margin"?f+=parseFloat(d.css(a,"margin"+this))||0:f-=parseFloat(d.css(a,"border"+this+"Width"))||0});return f}function ba(a,b){b.src?d.ajax({url:b.src,async:!1,dataType:"script"}):d.globalEval(b.text||b.textContent||b.innerHTML||""),b.parentNode&&b.parentNode.removeChild(b)}function _(a){return"getElementsByTagName"in a?a.getElementsByTagName("*"):"querySelectorAll"in a?a.querySelectorAll("*"):[]}function $(a,b){if(b.nodeType===1){var c=b.nodeName.toLowerCase();b.clearAttributes(),b.mergeAttributes(a);if(c==="object")b.outerHTML=a.outerHTML;else if(c!=="input"||a.type!=="checkbox"&&a.type!=="radio"){if(c==="option")b.selected=a.defaultSelected;else if(c===&quo