When I add below script and run. I am getting this:
Uncaught Error: Syntax error, unrecognized expression: ul li a[href=#!id1]
I am not sure which double quote causing the issue.
HTML
<ul>
<li class="slist selected" id="id1"><a href="#!id10">Test1/a></li>
<li class="slist" id="id2"><a href="#!id20">Test2</a></li>
<li class="slist" id="id3"><a href="#!id30">Test3/a></li>
</ul>
JS
$(document).ready(function () {
var id = "#!" + window.location.href.split("!")[1];
if ($("ul li a[href=" + id + "]").length) {
console.log("present");
} else {
console.log("absent")
}
});
You need to enclose special characters in quotes when using a attribute based selector.
if ($('ul li a[href="' + id + '"]').length) {
Your version of selector would result
if ($("ul li a[href=#!...]").length) {
The #!
will throw unrecognized expression.
My version where the ""
escape the characters
if ($('ul li a[href="#!..."]').length) {
I tried the solution provided by
https://github.com/jquery/jquery/issues/2885
which worked for me. I search for [href=#] in js and replace with [href*=\\#]
a[href*=\\#]:not([href=\\#])
you may add the below code in functions.php
function modify_jquery() {
if (!is_admin()) {
wp_deregister_script('jquery');
wp_register_script('jquery', 'https://code.jquery.com/jquery-1.11.3.min.js');
wp_enqueue_script('jquery');
}
}
add_action('init', 'modify_jquery');
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