programming-examples/js/Functions/Write a JavaScript function that generates all combinations of a string..js

29 lines
658 B
JavaScript
Raw Normal View History

2019-11-15 12:59:38 +01:00
//Write a JavaScript function that generates all combinations of a string.
function substrings(str1)
{
var array1 = [];
for (var x = 0, y=1; x < str1.length; x++,y++)
{
array1[x]=str1.substring(x, y);
}
var combi = [];
var temp= "";
var slent = Math.pow(2, array1.length);
for (var i = 0; i < slent ; i++)
{
temp= "";
for (var j=0;j<array1.length;j++) {
if ((i & Math.pow(2,j))){
temp += array1[j];
}
}
if (temp !== "")
{
combi.push(temp);
}
}
console.log(combi.join("\n"));
}
substrings("dog");