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Operatore di Xpath
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Un'espressione di XPath restituisce nodo-si � regolata, una stringa, un booleano, o un numero.
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| Operatori di XPath
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| Una lista degli operatori dati qui sotto: -
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| Operator |
Description |
Example |
Return value |
| | |
Computes two node-sets |
//book | //cd |
Returns a node-set with all book and cd elements |
| + |
Addition |
6 + 4 |
10 |
| - |
Subtraction |
6 - 4 |
2 |
| * |
Multiplication |
6 * 4 |
24 |
| div |
Division |
8 div 4 |
2 |
| = |
Equal |
price=9.80 |
true if price is 9.80
false if price is 9.90 |
| != |
Not equal |
price!=9.80 |
true if price is 9.90
false if price is 9.80 |
| < |
Less than |
price<9.80 |
true if price is 9.00
false if price is 9.80 |
| <= |
Less than or equal to |
price<=9.80 |
true if price is 9.00
false if price is 9.90 |
| > |
Greater than |
price>9.80 |
true if price is 9.90
false if price is 9.80 |
| >= |
Greater than or equal to |
price>=9.80 |
true if price is 9.90
false if price is 9.70 |
| or |
or |
price=9.80 or price=9.70 |
true if price is 9.80
false if price is 9.50 |
| and |
and |
price>9.00 and price<9.90 |
true if price is 9.80
false if price is 8.50 |
| mod |
Modulus (division remainder) |
5 mod 2 |
1 |
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