let videos = res.data; var compare = funcvtion (obj1, obj2) { var val1 = obj1.videoUps.length; var val2 = obj2.videoUps.length; return val2 - val1; } videos.sort(compare); videos.splice(4,videos.length);
根据对象某个属性大小来排序 var arr = [ {name:'zopp',age:0}, {name:'gpp',age:18}, {name:'yjj',age:8} ]; function compare(property){ return function(a,b){ var value1 = a[property]; var value2 = b[property]; return value1 - value2; } } arr.sort(compare('age'))