generate random hash in javascript
let r = Math.random().toString(36).substring(7);
console.log("random", r);generate random hash in javascript
let r = Math.random().toString(36).substring(7);
console.log("random", r);javascript hash string
/**
* Calculate a 32 bit FNV-1a hash
* Found here: https://gist.github.com/vaiorabbit/5657561
* Ref.: http://isthe.com/chongo/tech/comp/fnv/
*
* @param {string} str the input value
* @param {boolean} [asString=false] set to true to return the hash value as
* 8-digit hex string instead of an integer
* @param {integer} [seed] optionally pass the hash of the previous chunk
* @returns {integer | string}
*/
function hashFnv32a(str, asString, seed) {
/*jshint bitwise:false */
var i, l,
hval = (seed === undefined) ? 0x811c9dc5 : seed;
for (i = 0, l = str.length; i < l; i++) {
hval ^= str.charCodeAt(i);
hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
}
if( asString ){
// Convert to 8 digit hex string
return ("0000000" + (hval >>> 0).toString(16)).substr(-8);
}
return hval >>> 0;
}java script hash
function hashFnv32a(str, asString, seed) {
/*jshint bitwise:false */
var i, l,
hval = (seed === undefined) ? 0x811c9dc5 : seed;
for (i = 0, l = str.length; i < l; i++) {
hval ^= str.charCodeAt(i);
hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
}
if( asString ){
// Convert to 8 digit hex string
return ("0000000" + (hval >>> 0).toString(16)).substr(-8);
}
return hval >>> 0;
}Copyright © 2021 Codeinu
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