10 examples of 'get selected value of dropdown in angular 4' in JavaScript

540
public selectValue(value: any): void {
541
  if (this.dropdown) {
542
    this.ngZone.runOutsideAngular(() => {
543
      this.dropdown.selectValue(value);
544
    });
545
  }
546
}

45
public getSelectedValue(): any {
46
    if (this.multiple && this.value.length === 1) {
47
        return this.selectedDisplayValue(this.value[0]);
48
    } else {
49
        const index = this.options.findIndex(item => equal(this.value, item));
50
        return index >= 0 ? this.selectedDisplayValue(this.options[index]) : undefined;
51
    }
52
}

68
public displayValue(item): string {
69
    return this.displayBy ? item[this.displayBy] : item;
70
}

149
public getViewValue(): string {
150
  if (typeof this.$scope.ngModel !== 'undefined' && this.$scope.ngModel != null) {
151
    return this.$scope.ngModel.$viewValue;
152
  }
153
}

48
public get value() {
49
  const { defaultValue } = this.props;
50
  const { selected } = this.state;
51
  return selected || defaultValue;
52
}

286
_setSelectedValues() {
287
  this.selectedItem = this.shadowRoot.querySelector("#menu").selectedItem;
288
  this.selectedItemLabel = this.shadowRoot.querySelector(
289
    "#menu"
290
  ).selectedItemLabel;
291
  this.selectedItemIndex = this.shadowRoot.querySelector("#listbox").selected;
292
}

32
get selectedOptions() {
33
    return this.model;
34
}

225
get HTMLValue() {
226
  if (this.HTML !== undefined) {
227
    if (this.HTML.options !== undefined) {
228
      let index = this.HTML.selectedIndex
229
      return this.HTML.options[index]
230
    }
231
  }
232
  return undefined
233
}

66
getSelectedOption(key) {
67
    return this.$refs.select2.options[this.selectedIndex()].dataset[key];
68
}

39
selectValue(e) {
40
	const listNode = this.refs['valuesList'];
41
	let target = e.target || e.srcElement;
42
	let isli = false;
43
	while(!isli && target != null) {
44
		if(target.parentNode == listNode) {
45
			isli = true;
46
			break;
47
		}
48
		target = target.parentNode;
49
	}
50
51
	if(isli) {
52
		const value = target.textContent;
53
		const valueElement = this.refs['valueElement'];
54
		if(valueElement['textContent'] != value) {
55
			valueElement['textContent'] = value;
56
			if(this.props.onValueChanged) {
57
				this.props.onValueChanged(value);
58
			}
59
		}
60
	}
61
}