Netscape Navigator-Supported Syntax
| Syntax | Type | 2.0 | 3.0 | 4.0–4.05 | 4.06–4.5 | 5.0 |
|---|---|---|---|---|---|---|
| - | Operator | X | X | X | X | X |
| -- | Operator | X | X | X | X | X |
| ! | Operator | X | X | X | X | X |
| != | Operator | X | X | X | X | X |
| !== | Operator | X | X | |||
| % | Operator | X | X | X | X | X |
| %= | Operator | X | X | X | X | X |
| & | Operator | X | X | X | X | X |
| && | Operator | X | X | X | X | X |
| &= | Operator | X | X | X | X | X |
| * | Operator | X | X | X | X | X |
| *= | Operator | X | X | X | X | X |
| , | Operator | X | X | X | X | X |
| / | Operator | X | X | X | X | X |
| /**/ | Operator | X | X | X | X | X |
| // | Operator | X | X | X | X | X |
| /= | Operator | X | X | X | X | X |
| ?: | Operator | X | X | X | X | X |
| ^ | Operator | X | X | X | X | X |
| ^= | Operator | X | X | X | X | X |
| | | Operator | X | X | X | X | X |
| || | Operator | X | X | X | X | X |
| |= | Operator | X | X | X | X | X |
| ~ | Operator | X | X | X | X | X |
| + | Operator | X | X | X | X | X |
| ++ | Operator | X | X | X | X | X |
| += | Operator | X | X | X | X | X |
| < | Operator | X | X | X | X | X |
| << | Operator | X | X | X | X | X |
| <<= | Operator | X | X | X | X | X |
| <= | Operator | X | X | X | X | X |
| = | Operator | X | X | X | X | X |
| -= | Operator | X | X | X | X | X |
| == | Operator | X | X | X | X | X |
| === | Operator | X | X | |||
| > | Operator | X | X | X | X | X |
| >= | Operator | X | X | X | X | X |
| >> | Operator | X | X | X | X | X |
| >>= | Operator | X | X | X | X | X |
| >>> | Operator | X | X | X | X | X |
| >>>= | Operator | X | X | X | X | X |
| abstract | Reserved | |||||
| Anchor | Object | X | X | X | ||
| Anchor.name | Property | X | X | X | ||
| Anchor.text ... |
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