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Determining isomorphic strings JavaScript
Two strings (str1 and str2) are isomorphic if the characters in str1 can be replaced to get str2.
For example −
const str1 = 'abcde'; const str2 = 'eabdc';
These two are an example of isomorphic strings
We are required to write a JavaScript function that in two strings. The function should determine whether or not the two input strings are isomorphic.
Example
const str1 = 'abcde';
const str2 = 'eabdc';
const isIsomorphic = (str1 = '', str2 = '') => {
if (str1.length !== str2.length) {
return false;
};
for (let i = 0;
i < str1.length; i++) {
const a = str1.indexOf(str1[i]);
const b = str2.indexOf(str2[i]);
if (str2[a] !== str2[i] || str1[b] !== str1[i]) {
return false;
};
};
return true;
};
console.log(isIsomorphic(str1, str2));Output
And the output in the console will be −
true
Updated on: 23-Nov-2020
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