js處理 JSON字串、陣列等
阿新 • • 發佈:2019-02-12
1.判斷陣列中是否包含某字元
Array.prototype.contains
=
function
(v){
var
b
=
false
;
for
(
var
i=0;i<
this
.length;i++){
if
(
this
[i]
== v){
b
=
true
;
break
;
}
}
return
b;
};
2.遍歷JSON字串
http://www.jb51.net/article/44441.htm
3.js中在陣列中新增或刪除元素
http://www.cnblogs.com/yuzhongwusan/archive/2008/12/15/1355378.html
4.js中陣列中去重
http://www.jb51.net/article/54176.htm5.json物件去重 Array.prototype.unique= function () {
var res = [this[0]];
for (var i = 1; i < this.length; i++) {
var repeat = false;
for (var j = 0; j < res.length; j++) {
if (this[i].deptID == res[j].deptID) {
repeat = true;
break;
}
}
if (!repeat) {
res.push(this[i]);
}
}
return res;
}