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Is it possible using jquery (or just javascript) to check for the existence of a query string on the URL?
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To check if a url has query parameters, call the indexOf() method on the url, passing it a question mark, and check if the result is not equal to -1 , e.g. url. indexOf('? ') !== -1 .
Check if a query string parameter existsThe URLSearchParams.has() method returns true if a parameter with a specified name exists.
The URLSearchParams interface defines utility methods to work with the query string of a URL.
Yes, the location object has a property search that contains the query string.
alert(window.location.search); document.location contains information about the URL, and document.location.search contains the query string, e.g. ?foo=bar&spam=eggs. As for testing its presence, how about:
if(document.location.search.length) { // query string exists } else { // no query string exists } No jQuery required :o
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