在 JavaScript 中按字符串属性值对对象数组进行排序

可以使用用户定义的函数对对象数组进行排序。此函数通过其属性比较对象数组。例如，第一个示例比较对象的 l_name，如果 l_name 较小，则将其放在左侧，否则将其放在右侧。

示例 1：此示例按l_name属性对对象数组进行排序。

 
 
  
 
     
        Sort array of objects
    
 
          
 
      
     
        GeeksForGeeks 
     
      
    GFG_Object = [ 
        { "f_name": "Geeks", "l_name": "_1" },
        
        { "f_name": "for", "l_name": "_2" },
        
        { "f_name": "GFG", "l_name": "_3" }
        ];
     
      
    
        sort
    
      
     
      
    
    
        function fun() {
            function compare(a, b) {
                if (a.l_name < b.l_name)
                    return -1;
                if (a.l_name > b.l_name)
                    return 1;
                return 0;
            }
            var GFG_Object = [ 
                { f_name: 'Geeks', l_name: '_2' },
                { f_name: 'for', l_name: '_1' },
                { f_name: 'GFG', l_name: '_3' }
            ];
              
            GFG_Object.sort(compare);
              
            document.getElementById("GFG").innerHTML
                    = JSON.stringify(GFG_Object);
        }
         
     
                    

输出：

• 在点击按钮之前：
  
• 点击按钮后：
  

示例 2：此示例按f_name属性对对象数组进行排序。

 
 
  
 
     
        Sort array of objects
    
 
          
 
      
     
        GeeksForGeeks 
     
      
     GFG_Object = [ 
        { "f_name": "Geeks", "l_name": "_1" },
        
        { "f_name": "for", "l_name": "_2" },
        
        { "f_name": "GFG", "l_name": "_3" }
        ];
     
      
    
        sort
    
      
     
  
    
        function fun() {
            function compare(a, b) {
                if (a.f_name < b.f_name)
                    return -1;
                if (a.f_name > b.f_name)
                    return 1;
                return 0;
            }
            var GFG_Object = [ 
                { f_name: 'Geeks', l_name: '_2' },
                { f_name: 'for', l_name: '_1' },
                { f_name: 'GFG', l_name: '_3' }
            ];
              
            GFG_Object.sort(compare);
              
            document.getElementById("GFG").innerHTML
                    = JSON.stringify(GFG_Object);
        }
     
 
  
                    

输出：

• 在点击按钮之前：
  
• 点击按钮后：