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- random = function(length) {
- var base = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'.split('');
- var array = new Uint8Array(length);
- window.crypto.getRandomValues(array);
- var str = '';
- for (var i = 0; i < array.length; i++) {
- str += base[array[i]%base.length];
- };
- return str;
- }
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