helpers.js (569B)
1 function evaluateBoolean(expression, context) { 2 let doc = context.ownerDocument || context; 3 return doc.evaluate(expression, context, null, XPathResult.BOOLEAN_TYPE, null).booleanValue; 4 } 5 6 function evaluateNumber(expression, context) { 7 let doc = context.ownerDocument || context; 8 return doc.evaluate(expression, context, null, XPathResult.NUMBER_TYPE, null).numberValue; 9 } 10 11 function evaluateString(expression, context) { 12 let doc = context.ownerDocument || context; 13 return doc.evaluate(expression, context, null, XPathResult.STRING_TYPE, null).stringValue; 14 }