//判断每一个数是否在数组中 var numArr = [1,2,3,4,5,6,7]; var num = 8; var flag = numArr.every(function(val,index){ return val != num; }) if(flag){ numArr.push(num); } console.log(numArr);
时间: 2024-08-06 16:35:03
//判断每一个数是否在数组中 var numArr = [1,2,3,4,5,6,7]; var num = 8; var flag = numArr.every(function(val,index){ return val != num; }) if(flag){ numArr.push(num); } console.log(numArr);