mirror of https://github.com/ElemeFE/element
				
				
				
			
		
			
				
	
	
		
			23 lines
		
	
	
		
			563 B
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			563 B
		
	
	
	
		
			JavaScript
		
	
	
| export const hasClass = function(obj, cls) {
 | |
|   return obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'));
 | |
| };
 | |
| 
 | |
| export const addClass = function(obj, cls) {
 | |
|   if (!hasClass(obj, cls)) obj.className += ' ' + cls;
 | |
| };
 | |
| 
 | |
| export const removeClass = function(obj, cls) {
 | |
|   if (hasClass(obj, cls)) {
 | |
|     const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)');
 | |
|     obj.className = obj.className.replace(reg, ' ');
 | |
|   }
 | |
| };
 | |
| 
 | |
| export const toggleClass = function(obj, cls) {
 | |
|   if (hasClass(obj, cls)) {
 | |
|     removeClass(obj, cls);
 | |
|   } else {
 | |
|     addClass(obj, cls);
 | |
|   }
 | |
| };
 |