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javascript compare strings

For reference, this is all you need to know.

“0” < “A” < “a” < “aa”

In other words, first numbers, then capitalized words, then lower case words.

Here’s how you javascript compare strings

If you are sorting an array of strings, simply use the Array.prototype.sort() function as above.

If you want to write your own function to compare strings, use something like …

function(a, b) {
if (a < b) {
return -1;
}

if (a > b) {
return 1;
}

// a must be equal to b
return 0;

}

 

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