| function evaluateBoolean(expression, context) { |
| let doc = context.ownerDocument || context; |
| return doc.evaluate(expression, context, null, XPathResult.BOOLEAN_TYPE, null).booleanValue; |
| } |
| |
| function evaluateNumber(expression, context) { |
| let doc = context.ownerDocument || context; |
| return doc.evaluate(expression, context, null, XPathResult.NUMBER_TYPE, null).numberValue; |
| } |
| |
| function evaluateString(expression, context) { |
| let doc = context.ownerDocument || context; |
| return doc.evaluate(expression, context, null, XPathResult.STRING_TYPE, null).stringValue; |
| } |