var answersAll=[];
answersAll[0]={
"id":"1111",
"questionType":3,
"answerContent":["题1"]
}
answersAll[1]=
{
"id":"2222",
"questionType":3,
"answerContent":["题2"]
}
answersAll[2]=
{
"id":"3333",
"questionType":3,
"answerContent":["题3"]
}
answersAll[3]=
{
"id":"4444",
"questionType":3,
"answerContent":["题4"]
}
answersAll[4]=
{
"id":"kkkk",
"questionType":3,
"answerContent":["题5"]
}
var previous=0;
var current=-1;
if(current==-1){
answersAll=(answersAll.slice(0,previous+1));
}else{
// console.log(JSON.stringify(answersAll));
previous=0;
// current=4;
answersAll=(answersAll.slice(0,previous+1)).concat(answersAll.slice(current));
// answersAll=answersAll.slice(current);
}
console.log(JSON.stringify(answersAll));
// // 查到下一题的 questionId 为5, 获得其题id为kkkk
// if(answersAll[3].id==="kkkk"){ //说明,
// answersAll=(answersAll.slice(0,previous+1));
// }else{ }
// if(current!=(previous+1)){
// //删除中间内容
// // for(){
// // }
// }else{
// //
// }
// // console.log(JSON.stringify(answersAll));
// function findElem(array, attr, val) {
// for (var i = 0; i < array.length; i++) {
// if (array[i][attr] == val) {
// return i; //返回当前索引值
// }
// }
// return -1;
// };
// let hasIdFlag = findElem(answersAll, 'id', '13807146f85c4fdcb00206be6f596a7c');
// console.log(hasIdFlag)
// ————————————————
// 版权声明:本文为CSDN博主「mossbaoo」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
// 原文链接:https://blog.csdn.net/mossbaoo/article/details/113241678
// for (var i = 0; i < answersAll.length; i++) {
// if (answersAll[i][attr] == "13807146f85c4fdcb00206be6f596a7c") {
// flag=i
// }
// }
console