JavaScript All-in-selection reverse: Select/Reverse/local

Select All

 
  
 

  
   
  
SelectAll (obj) {
  
   
  
for (var i = 0; i < obj.elements.length; i++) {
  
   
  
if (Obj.elements[i].type = = "checkbox") {
  
   
  
Obj.elements[i].checked = true;
  
   
  
}
  
   
  
}
  
   
  
}
 
  
 

Multi-selection box anti-selection

 
  
 

  
   
  
Selectother (obj) {
  
   
  
for (var i = 0; i < obj.elements.length; i++) {
  
   
  
if (Obj.elements[i].type = = "checkbox") {
  
   
  
if (!obj.elements[i].checked) {
  
   
  
Obj.elements[i].checked = true;
  
   
  
} else {
  
   
  
obj.elements[i].checked = false;
  
   
  
}
  
   
  
}
  
   
  
}
  
   
  
}
 
  
 

Resets the value of a multiple-selection box based on the value of the checkbox for the previous layer component

 
  
 

  
   
  
SelectObject (e,obj) {
  
   
  
var CheckBoxList = getElementById (obj). getElementsByTagName ("input");
  
   
  
for (i = 0; i < checkboxlist.length; i++) {
  
   
  
if (Checkboxlist[i].type = = "checkbox") {
  
   
  
checkboxlist[i].checked = e;
  
   
  
}
  
   
  
}
  
   
  
}
 
  
 

Resets the previous checkbox value based on the value of the checkbox for the next layer of component, and the previous layer is true if at least 1 of the next layer is true

 
  
 

  
   
  
Selecthigher (E,higherobjid,objid) {
  
   
  
var CheckBoxList = getElementById (ObjID). getElementsByTagName ("input");
  
   
  
var highercheckobj = getElementById (Higherobjid);
  
   
  
if (E = = True) {
  
   
  
highercheckobj.checked = e;
  
   
  
} else {
  
   
  
for (i = 0; i < checkboxlist.length; i++) {
  
   
  
if (Checkboxlist[i].type = = "checkbox" && checkboxlist[i].checked = = e) {
  
   
  
highercheckobj.checked = e;
  
   
  
}
  
   
  
}
  
   
  
}
  
   
  
}
 
  
 

This article links http://www.cxybl.com/html/wyzz/JavaScript_Ajax/20130529/38126.html