add query parameter to url js code example
Example 1: javascript set query parameter
function updateQueryStringParameter(uri, key, value) {
var re = new RegExp("([?&])" + key + "=.*?(&|$)", "i");
var separator = uri.indexOf('?') !== -1 ? "&" : "?";
if (uri.match(re)) {
return uri.replace(re, '$1' + key + "=" + value + '$2');
}
else {
return uri + separator + key + "=" + value;
}
}
var newUrl=updateQueryStringParameter(window.location.href,"some_param","replaceValue");
window.history.pushState("", "Page Title Here", newUrl);
Example 2: javascript add update query parameter to url
function update_query_parameters(key, val) {
uri = window.location.href
.replace(RegExp("([?&]"+key+"(?=[=&#]|$)[^#&]*|(?=#|$))"), "&"+key+"="+encodeURIComponent(val))
.replace(/^([^?&]+)&/, "$1?");
return uri;
}
window.location.href = update_query_parameters('page', '4);