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| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -1896,18 +1896,9 @@ console.log(buf.readUIntBE(1, 6).toString(16)); | |||
| 1896 | 1896 | // Throws ERR_OUT_OF_RANGE. | |
| 1897 | 1897 | ``` | |
| 1898 | 1898 | ||
| 1899 | - ### buf.slice([start[, end]]) | ||
| 1899 | + ### buf.subarray([start[, end]]) | ||
| 1900 | 1900 | <!-- YAML | |
| 1901 | - added: v0.3.0 | ||
| 1902 | - changes: | ||
| 1903 | - - version: v7.1.0, v6.9.2 | ||
| 1904 | - pr-url: https://github.com/nodejs/node/pull/9341 | ||
| 1905 | - description: Coercing the offsets to integers now handles values outside | ||
| 1906 | - the 32-bit integer range properly. | ||
| 1907 | - - version: v7.0.0 | ||
| 1908 | - pr-url: https://github.com/nodejs/node/pull/9101 | ||
| 1909 | - description: All offsets are now coerced to integers before doing any | ||
| 1910 | - calculations with them. | ||
| 1901 | + added: v3.0.0 | ||
| 1911 | 1902 | --> | |
| 1912 | 1903 | ||
| 1913 | 1904 | * `start` {integer} Where the new `Buffer` will start. **Default:** `0`. | |
@@ -1935,7 +1926,7 @@ for (let i = 0; i < 26; i++) { | |||
| 1935 | 1926 | buf1[i] = i + 97; | |
| 1936 | 1927 | } | |
| 1937 | 1928 | ||
| 1938 | - const buf2 = buf1.slice(0, 3); | ||
| 1929 | + const buf2 = buf1.subarray(0, 3); | ||
| 1939 | 1930 | ||
| 1940 | 1931 | console.log(buf2.toString('ascii', 0, buf2.length)); | |
| 1941 | 1932 | // Prints: abc | |
@@ -1952,17 +1943,57 @@ end of `buf` rather than the beginning. | |||
| 1952 | 1943 | ```js | |
| 1953 | 1944 | const buf = Buffer.from('buffer'); | |
| 1954 | 1945 | ||
| 1955 | - console.log(buf.slice(-6, -1).toString()); | ||
| 1946 | + console.log(buf.subarray(-6, -1).toString()); | ||
| 1956 | 1947 | // Prints: buffe | |
| 1957 | - // (Equivalent to buf.slice(0, 5).) | ||
| 1948 | + // (Equivalent to buf.subarray(0, 5).) | ||
| 1958 | 1949 | ||
| 1959 | - console.log(buf.slice(-6, -2).toString()); | ||
| 1950 | + console.log(buf.subarray(-6, -2).toString()); | ||
| 1960 | 1951 | // Prints: buff | |
| 1961 | - // (Equivalent to buf.slice(0, 4).) | ||
| 1952 | + // (Equivalent to buf.subarray(0, 4).) | ||
| 1962 | 1953 | ||
| 1963 | - console.log(buf.slice(-5, -2).toString()); | ||
| 1954 | + console.log(buf.subarray(-5, -2).toString()); | ||
| 1964 | 1955 | // Prints: uff | |
| 1965 | - // (Equivalent to buf.slice(1, 4).) | ||
| 1956 | + // (Equivalent to buf.subarray(1, 4).) | ||
| 1957 | + ``` | ||
| 1958 | + | ||
| 1959 | + ### buf.slice([start[, end]]) | ||
| 1960 | + <!-- YAML | ||
| 1961 | + added: v0.3.0 | ||
| 1962 | + changes: | ||
| 1963 | + - version: v7.1.0, v6.9.2 | ||
| 1964 | + pr-url: https://github.com/nodejs/node/pull/9341 | ||
| 1965 | + description: Coercing the offsets to integers now handles values outside | ||
| 1966 | + the 32-bit integer range properly. | ||
| 1967 | + - version: v7.0.0 | ||
| 1968 | + pr-url: https://github.com/nodejs/node/pull/9101 | ||
| 1969 | + description: All offsets are now coerced to integers before doing any | ||
| 1970 | + calculations with them. | ||
| 1971 | + --> | ||
| 1972 | + | ||
| 1973 | + * `start` {integer} Where the new `Buffer` will start. **Default:** `0`. | ||
| 1974 | + * `end` {integer} Where the new `Buffer` will end (not inclusive). | ||
| 1975 | + **Default:** [`buf.length`][]. | ||
| 1976 | + * Returns: {Buffer} | ||
| 1977 | + | ||
| 1978 | + Returns a new `Buffer` that references the same memory as the original, but | ||
| 1979 | + offset and cropped by the `start` and `end` indices. | ||
| 1980 | + | ||
| 1981 | + This is the same behavior as `buf.subarray()`. | ||
| 1982 | + | ||
| 1983 | + This method is not compatible with the `Uint8Array.prototype.slice()`, | ||
| 1984 | + which is a superclass of `Buffer`. To copy the slice, use | ||
| 1985 | + `Uint8Array.prototype.slice()`. | ||
| 1986 | + | ||
| 1987 | + ```js | ||
| 1988 | + const buf = Buffer.from('buffer'); | ||
| 1989 | + | ||
| 1990 | + const copiedBuf = Uint8Array.prototype.slice.call(buf); | ||
| 1991 | + copiedBuf[0]++; | ||
| 1992 | + console.log(copiedBuf.toString()); | ||
| 1993 | + // Prints: cuffer | ||
| 1994 | + | ||
| 1995 | + console.log(buf.toString()); | ||
| 1996 | + // Prints: buffer | ||
| 1966 | 1997 | ``` | |
| 1967 | 1998 | ||
| 1968 | 1999 | ### buf.swap16() | |
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