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| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -18,11 +18,20 @@ added: v8.0.0 | |||
| 18 | 18 | ||
| 19 | 19 | * Returns: {integer} | |
| 20 | 20 | ||
| 21 | - Returns an integer representing a "version tag" derived from the V8 version, | ||
| 22 | - command-line flags and detected CPU features. This is useful for determining | ||
| 21 | + Returns an integer representing a version tag derived from the V8 version, | ||
| 22 | + command-line flags, and detected CPU features. This is useful for determining | ||
| 23 | 23 | whether a [`vm.Script`][] `cachedData` buffer is compatible with this instance | |
| 24 | 24 | of V8. | |
| 25 | 25 | ||
| 26 | + ```js | ||
| 27 | + console.log(v8.cachedDataVersionTag()); // 3947234607 | ||
| 28 | + // The value returned by v8.cachedDataVersionTag() is derived from the V8 | ||
| 29 | + // version, command-line flags, and detected CPU features. Test that the value | ||
| 30 | + // does indeed update when flags are toggled. | ||
| 31 | + v8.setFlagsFromString('--allow_natives_syntax'); | ||
| 32 | + console.log(v8.cachedDataVersionTag()); // 183726201 | ||
| 33 | + ``` | ||
| 34 | + | ||
| 26 | 35 | ## `v8.getHeapSpaceStatistics()` | |
| 27 | 36 | <!-- YAML | |
| 28 | 37 | added: v6.0.0 | |
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -7,9 +7,9 @@ const versionTag1 = v8.cachedDataVersionTag(); | |||
| 7 | 7 | assert.strictEqual(typeof versionTag1, 'number'); | |
| 8 | 8 | assert.strictEqual(v8.cachedDataVersionTag(), versionTag1); | |
| 9 | 9 | ||
| 10 | - // The value of cachedDataVersionTag is derived from the command line flags and | ||
| 11 | - // detected CPU features. Test that the value does indeed update when flags | ||
| 12 | - // are toggled. | ||
| 10 | + // The value returned by v8.cachedDataVersionTag() is derived from the V8 | ||
| 11 | + // version, command-line flags, and detected CPU features. Test that the value | ||
| 12 | + // does indeed update when flags are toggled. | ||
| 13 | 13 | v8.setFlagsFromString('--allow_natives_syntax'); | |
| 14 | 14 | ||
| 15 | 15 | const versionTag2 = v8.cachedDataVersionTag(); | |
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