11 lines
231 B
JavaScript
11 lines
231 B
JavaScript
|
module.exports = function hashcode(str) {
|
||
|
|
var hash = 0
|
||
|
|
if (!str) return hash
|
||
|
|
for (var i = 0; i < str.length; i++) {
|
||
|
|
var char = str.charCodeAt(i)
|
||
|
|
hash = ((hash<<5)-hash)+char
|
||
|
|
hash = hash & hash
|
||
|
|
}
|
||
|
|
return hash
|
||
|
|
}
|