lt( )
Creates a search filter for matching documents whose specified field value is less than the specified value.
Description
The lt()
function is chained to a WixSearchFilterBuilder
to create a WixSearchFilter
.
You can use the filter to match documents where the value of the specified field is less than the specified value
.
lt()
only matches values of the same type. For example, a number value stored
as a String type does not match the same number stored as a Number type.
If a field contains a number as a String, that value will be compared alphabetically and not numerically. Documents that do not have a value for the specified field are ranked lowest.
The following types of properties can be compared:
- Number: Compares numerically.
- Date: Compares JavaScript Date objects.
- String: Compares lexicographically, so
"Text"
is less than"text"
.
Syntax
function lt(field: string, value: string | number | Date): WixSearchFilter
lt Parameters
NAME
TYPE
DESCRIPTION
The field whose value will be compared with value
.
The value to match against.
Returns
A WixSearchFilter
object.
Return Type:
NAME
TYPE
DESCRIPTION
An object containing the filter definition.
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1import wixSearch from 'wix-search';23// ...45const ltFilter = wixSearch6 .filter()7 .lt("viewCount", 50);
This example demonstrates how to create multiple search filters and combine them to search for forum posts with more than 200 views that were posted either in the month of January or April of 2020.
1import wixSearch from 'wix-search';23// ...45const filterBuilder = wixSearch.filter();67const gtJanFilter = filterBuilder.gt("lastActivityDate", "2020-01-01T00:00:00.000Z");8const ltFebFilter = filterBuilder.lt("lastActivityDate", "2020-02-01T00:00:00.000Z");910const gtAprilFilter = filterBuilder.gt("lastActivityDate", "2020-04-01T00:00:00.000Z");11const ltMayFilter = filterBuilder.lt("lastActivityDate", "2020-05-01T00:00:00.000Z");1213const januaryFilter = filterBuilder.and(gtJanFilter, ltFebFilter);14const aprilFilter = filterBuilder.and(gtAprilFilter, ltMayFilter);1516const dateFilter = filterBuilder.or(januaryFilter, aprilFilter)1718const viewFilter = filterBuilder.gt("viewCount", 200)1920wixSearch.search(phrase)21 .documentType("Forum/Content")22 .and(dateFilter, viewFilter)23 .find()24 .then( (results) => {25 if(results.documents.length > 0) {26 let documents = results.documents;27 } else {28 console.log("No matching results");29 }30 })31 .catch( (error) => {32 console.log(error);33 });