Method to get the original (initial) value of the form control_javascript skills

Copy code The code is as follows:

var saveObject = {};//Save the changed value
function saveThisData(obj,type){//The changed data will display the original value on the right
var defaultValue, newValue, key, displayValue;
var defaultValueDisplayFont;
switch (type) {
case 'select'://Ext drop-down box
defaultValue=obj.originalValue.split(']')[0].substring(1);
newValue=obj.value;
key=obj. id;
defaultValueDisplayFont=obj.container.dom.getElementsByTagName("font")[0];
displayValue=obj.originalValue.substring(defaultValue.length 2);//Remove brackets and code
break ;
case 'check'://checkbox
key=obj.name;
defaultValueDisplayFont=obj.parentElement.getElementsByTagName("font")[0];
defaultValue=obj.defaultChecked ;
if(defaultValue){
displayValue='yes';
}else{
displayValue='no';
}
if(obj.checked){
newValue=1;
}else{
newValue=0;
}
break;
case 'rq'://Ext date object
key=obj.name;
defaultValueDisplayFont=obj.parentElement.parentElement.getElementsByTagName("font")[0];
defaultValue=obj.defaultValue;
newValue=obj.value;
displayValue=defaultValue;
break;
case 'enum'://Ext encapsulated enumeration drop-down box object
key=obj.id;
defaultValue=obj.startValue;
newValue=obj.value;
displayValue=obj .originalValue;
defaultValueDisplayFont=obj.container.dom.getElementsByTagName("font")[0];
break;
default:
if(arguments[2]!=null){// Year and month control
var monthFieldid=obj.container.dom.id.split("_")[1];
key=monthFieldid;
defaultValue=Ext.getDom('sccjgzny').defaultValue;
newValue=Ext.getDom('sccjgzny').value;
var yy=defaultValue.substring(0,7);
displayValue=yy.replace('-','year') 'Month ';
defaultValueDisplayFont=Epx.get(monthFieldid).container.dom.getElementsByTagName("font")[0];
}
else{
key=obj.name;
defaultValueDisplayFont =obj.parentElement.getElementsByTagName("font")[0];
defaultValue=obj.defaultValue;
newValue=obj.value;
displayValue=defaultValue;
}
break;
}
saveObject[key] = newValue;
if(defaultValue != newValue){
if(defaultValue=='' && type != 'check'){
defaultValueDisplayFont.innerHTML= "     " }
}


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