10 examples of 'jquery on dropdown change' in JavaScript

260
_dropDownChanged(e) {
261
  this.value = e.detail.value ? e.detail.value.getAttribute("value") : null;
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}

69
function setDropdownValue(event) {
70
  var dt = event.target.parentNode.parentNode.previousSibling;
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  dt.value = event.target.getAttribute("value");
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  dt.firstChild.textContent = event.target.textContent;
73
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  dt.parentNode.setAttribute("dropped", "false");
75
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  var evt = document.createEvent("HTMLEvents");
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  evt.initEvent("change", true, true);
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  dt.dispatchEvent(evt);
79
}

101
showDropdown() {
102
  if (!this.dropdownMenu.hasClass('show')) {
103
    this.dropdownToggle.dropdown('toggle');
104
  }
105
}

123
_onChange(event) {
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  this.setState({ value: event.target.value });
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  super._onChange(event);
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}

12
onChange (e) {
13
  this.props.onChange(this.props.id, e.target.value);
14
}

124
onChange(e) {
125
    this.setState({
126
        value: this.dropDown.value,
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    });
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    this.props.onChange(e.target.value);
129
}

17
async handleDropdownChange(event, data, type){
18
    let tempConfig = this.props.config;
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    tempConfig[type] = data.value;
20
    tempConfig[type+'Label'] = data.text;
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    await this.props.handleParentState("config", tempConfig, "groupAndSortRecalc")
22
}

81
set open(val: boolean) {
82
    this._open = val;
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    this._openChanged.emit(val);
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}

97
function openDropdown(event) {
98
    if($this.parents(".navbar").find(".navbar-toggle").is(":visible")) {
99
        // If we're inside a navbar, don't do anything when the
100
        // navbar is collapsed, as it makes the navbar pretty unusable.
101
        return;
102
    }
103
104
    // clear dropdown timeout here so it doesnt close before it should
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    window.clearTimeout(timeout);
106
    // restart hover timer
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    window.clearTimeout(timeoutHover);
108
    
109
    // delay for hover event.  
110
    timeoutHover = window.setTimeout(function () {
111
        $allDropdowns.find(':focus').blur();
112
113
        if(settings.instantlyCloseOthers === true)
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            $allDropdowns.removeClass('open');
115
        
116
        // clear timer for hover event
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        window.clearTimeout(timeoutHover);
118
        $this.attr('aria-expanded', 'true');
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        $parent.addClass('open');
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        $this.trigger(showEvent);
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    }, settings.hoverDelay);
122
}

296
_valueChanged(newValue, oldValue) {
297
  let children = this.querySelectorAll("paper-item");
298
  if (children !== undefined && children !== null) {
299
    for (let i = 0; i < children.length; i++) {
300
      if (this.value === children[i].getAttribute("value")) {
301
        this.shadowRoot.querySelector("#listbox").selected = i;
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        this._setSelectedValues();
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      }
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    }
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  }
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}