// 是否包含
isContained (a, b) {
let _inc = []
for (let i of b) {
if (a.includes(i)) {
_inc.push(i)
}
}
return _inc.length === b.length
},
array_remove_repeat (a) { // 去重
var r = []
for (var i = 0; i < a.length; i++) {
var flag = true
var temp = a[i]
for (var j = 0; j < r.length; j++) {
if (temp === r[j]) {
flag = false
break
}
}
if (flag) {
r.push(temp)
}
}
return r
},