how var arr="a,b,c" is split into [a], [b], [c]
how var arr="a,b,c" is split into [a], [b], [c]
arr.split (',')
actually look at the operation of strings and arrays and believe you can find the method yourself.
arr.split (',') can turn the string into an array
and then traverse the array to return the single array you want
var attr1= 'Ali Technology Co., Ltd.' .split ('');
var attr2=['','',''];
var result=[];
console.log(attr1)
for(var i=0;i<attr2.length;iPP){
result.push(new Array(attr2[i]))
}
var newArr=[];
for(var j=0;j<result.length;jPP){
newArr.push(result[j])
}
var newArr2=[];
for(var k=0;k<newArr.length;kPP){
newArr2.push(newArr[k].join('').split(''));
}
var _res=[];
for(var m=0;m<newArr2.length;mPP){
var count=0;
for(var d=0;d<newArr2[m].length;dPP){
for(var n=0;n<attr1.length;nPP){
if(attr1[n]==newArr2[m][d]){
countPP;
}
}
}
_res.push(count)
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