javascript - jQuery .click(handler) finds input element blank in Greasemonkey script (addEventListener works, however) -


i have greasemonkey script associating between jira , ticket app. when associate item jira ticket, makes api posts jira add other ticket jira it's bidirectional. relavant html (which don't have control change) is:

<div id="related_inputs" class="related-items-actions-inner">     <label class="align" style="width: 104px;">full_jira_url: </label>     <input type="text" style="margin-left: 109px;">     <br> </div>

and button:

<a id="relate-button" class="tt_button">   <span id="relate-button-text">relate</span> </a>

so when user clicks button/link, want extract value input in input above (in "related inputs" div) , other stuff. used work , not longer i'm not sure if due browser regression, jira change or change website code i'm writing script for.

the gist of greasemonkey script is:

(function () {   console.log("started script!");    $('#relate-button').click( function(event) {      var related_ticket_type = $('#related_inputs label').text().trim();     console.log("ticket type " + related_ticket_type);     if (related_ticket_type != jira_label_text) {        return;     }      var jira_url = $('#related_inputs input').val();     console.log(jira_url);  // <<== "" time when input has data in when pressed      var match = jira_url.match(jira_regex);      if (match.length != 2) {       console.log("we didn't match url valid rds jira url.")       return;     }     ...

the issue value i'm getting input element empty everytime. i've confirmed in console correct input element. label element correct 2 since getting input code.

any ideas or suggestions?

after discovered below, question comes down to: difference between jquery's .click(handler) vs element.addeventlistener( 'click', function(event) {...}, true) ?

so instead of using jquery's .click(handler), did following:

var button_el = document.getelementbyid('relate-button');  button_el.addeventlistener( 'click', function(event) {....}, true);

doing fixed issue (ie value of url not blank). however, i'd interested in knowing why fixed issue.

i'm using greasemonkey 1.15.


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