419   const algorithm = {  variable
426   const bits = await subtle.deriveBits(algorithm, baseKeys[size], 256);
440   const algorithm = {  variable
449       subtle.deriveBits(algorithm, baseKeys[size], undefined), {
453       subtle.deriveBits(algorithm, baseKeys[size], 0), {
458       subtle.deriveBits(algorithm, baseKeys[size], null), {
463       subtle.deriveBits(algorithm, baseKeys[size], 15), {
477   const algorithm = { name: 'PBKDF2', salt, iterations };  variable
483           ...algorithm,
492           ...algorithm,
508   const algorithm = {  variable
516     subtle.deriveBits(algorithm, noBits[size], 256), {
530   const algorithm = {  variable
538     algorithm,
561   const algorithm = { name: 'PBKDF2', salt, iterations };  variable
567           ...algorithm,
581           ...algorithm,
603   const algorithm = {  variable
611     subtle.deriveKey(algorithm, noKey[size], keyType, true, usages), {
624   const algorithm = {  variable
632     subtle.deriveKey(algorithm, wrongKey, keyType, true, usages), {