html_optimized.js

ajax修炼之道源代码。很难下到的。现在奉献给大家。

najax.html={};najax.html.onCallCompleted=function(response){if(typeof(response.html)=='string'){if(response.html.length>0){try{eval(response.html)}catch(e){}}}};najax.html.exportForm=function(id){var form=document.getElementById(id);if(form==null){return null}if(typeof(form.elements)=='undefined'){return null}var formData={};for(var iterator=0;iterator<form.elements.length;iterator++){var element=form.elements[iterator];if(element.disabled){continue}var elementType=element.tagName.toLowerCase();var elementName=null;var elementValue=null;if((typeof(element.name)!='undefined')&&(element.name.length>0)){elementName=element.name}else if((typeof(element.id)!='undefined')&&(element.id.length>0)){elementName=element.id}if(elementName!=null){if(elementType=='input'){if((element.type=='text')||(element.type=='password')||(element.type=='button')||(element.type=='submit')||(element.type=='hidden')){elementValue=element.value}else if(element.type=='checkbox'){elementValue=element.checked}else if(element.type=='radio'){if(element.checked){elementValue=element.value}else{try{var type=eval('typeof(formData.'+elementName+')');if(type!='undefined'){continue}}catch(e){continue}}}}else if(elementType=='select'){if(element.options.length>0){if(element.multiple){elementName=elementName.replace(/\[\]$/ig,'');elementValue=[];for(var optionsIterator=0;optionsIterator<element.options.length;optionsIterator++){if(element.options[optionsIterator].selected){elementValue.push(element.options[optionsIterator].value)}}}else{if(element.selectedIndex>=0){elementValue=element.options[element.selectedIndex].value}}}}else if(elementType=='textarea'){elementValue=element.value}try{eval('formData.'+elementName+' = elementValue;')}catch(e){}}}return formData};najax.html.importForm=function(id,formData){var form=document.getElementById(id);if((formData==null)||(form==null)){return false}if(typeof(form.elements)=='undefined'){return false}for(var iterator=0;iterator<form.elements.length;iterator++){var element=form.elements[iterator];if(element.disabled){continue}var elementType=element.tagName.toLowerCase();var elementName=null;if((typeof(element.name)!='undefined')&&(element.name.length>0)){elementName=element.name}else if((typeof(element.id)!='undefined')&&(element.id.length>0)){elementName=element.id}if(elementName!=null){if(elementType=='select'){if(element.multiple){elementName=elementName.replace(/\[\]$/ig,'')}}var elementValue=null;try{var valueType=eval('typeof(formData.'+elementName+')');if(valueType!='undefined'){elementValue=eval('formData.'+elementName)}else{continue}}catch(e){continue}if(elementType=='input'){if((element.type=='text')||(element.type=='password')||(element.type=='button')||(element.type=='submit')||(element.type=='hidden')){element.value=elementValue}else if(element.type=='checkbox'){element.checked=elementValue}else if(element.type=='radio'){if(element.value==elementValue){element.checked=true}else{element.checked=false}}}else if(elementType=='select'){if(element.options.length>0){if(element.multiple){element.selectedIndex=-1}else{elementValue=[elementValue];element.selectedIndex=0}for(var valuesIterator=0;valuesIterator<elementValue.length;valuesIterator++){for(var optionsIterator=0;optionsIterator<element.options.length;optionsIterator++){if(element.options[optionsIterator].value==elementValue[valuesIterator]){element.options[optionsIterator].selected=true}}}}}else if(elementType=='textarea'){element.value=elementValue}}}return true};najax.addObserver(najax.html);