9 examples of 'select2 remove selected' in JavaScript

45
public deSelect(item) {
46
    const index = this.value.indexOf(item.text);
47
    if (index >= -1) {
48
        this.value.splice(index, 1);
49
    }
50
    this.result.emit(this.value);
51
}

92
removeOption(selectObj, AtIndex) {
93
  const fullResponse = {
94
    resultFlag: false,
95
    details: ''
96
  };
97
  if (AtIndex !== -1) {
98
    selectObj.rows.splice(AtIndex, 1);
99
    fullResponse.resultFlag = true;
100
    fullResponse.details= '';
101
    return fullResponse;
102
  } else {
103
    fullResponse.resultFlag = false;
104
    fullResponse.details= 'Option index not valid';
105
    return fullResponse;
106
  }
107
}

187
function removeMultiSelect(target){
188
    //ie chokes if we just remove the div so we need to empty it first
189
    $jq("#cascadingMulti_" + target).empty();
190
    $jq("#cascadingMulti_" + target).remove();
191
    $jq(".addMultiSelect" + target.split("_")[0]).last().show();
192
    removeAllMultiSelectionsFor( target );
193
}

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

292
removeMultipleChoice (index, event) {
293
  if (this.props.multiple) {
294
    event.stopPropagation()
295
    const optionChosen = this.state.optionChosen // 选项的下标
296
    let indexInArr = 0
297
    optionChosen.forEach((item, i) => {
298
      if (index === item) {
299
        indexInArr = i
300
      }
301
    })
302
    optionChosen.splice(indexInArr, 1)
303
    // this.mulOptionChosen.splice(indexInArr,1)
304
    const selected = optionChosen.length <= 0 ? false : true
305
    this.setState({
306
        optionChosen,
307
        selected
308
    })
309
    let returnValue: any[] = []
310
    optionChosen.forEach((item) => {
311
      const child = this.propsSelectOption[item] || {}
312
      const value = child.props.value
313
      const label = child.props.label
314
      returnValue = this.prepareReturnValue(returnValue, value, label)
315
    })
316
    this.props.onChange && this.props.onChange(returnValue)
317
  }
318
}

520
function deleteSelected(param) {
521
  if (param.firstTime) {
522
    return sbgnFiltering.deleteSelected();
523
  }
524
  return addRemoveUtilities.removeElesSimply(param.eles);
525
}

6
function removeSel(str) {
7
    var elSel= document.getElementsByName(str)[0]; 
8
    if(elSel.selectedIndex>=0){
9
      elSel.remove(elSel.selectedIndex);
10
    }else{
11
      alert("Please select one item to remove.");
12
    } 
13
}

32
removeSelection(selection, keepOperators = false) {
33
    if (selection.first.parent === this && selection.last.parent === this) {
34
        const nodes = [...selection];
35
36
        for (const node of nodes) {
37
            this.remove(node);
38
        }
39
40
        if (!keepOperators) {
41
            if (this.first.type === 'Operator') {
42
                this.remove(this.first);
43
            }
44
            if (this.last.type === 'Operator') {
45
                this.remove(this.last);
46
            }
47
48
            let duplicateOperator = null;
49
            let i = 0;
50
            for (const node of this.children) {
51
                if (i++ % 2 === 0 && node.type === 'Operator') {
52
                    if (!duplicateOperator) {
53
                        duplicateOperator = node;
54
                    }
55
                }
56
            }
57
            if (duplicateOperator) {
58
                this.remove(duplicateOperator);
59
            }
60
        }
61
    }
62
}

112
removeSelected(listItem) {
113
    let index = this.selected.indexOf(listItem);
114
    if (index > -1) {
115
        this.selected.splice(index, 1);
116
        this.available.push(listItem);
117
        this._deselectOption(listItem.dataset.id);
118
        this.redraw();
119
120
        setTimeout(() => {
121
            let event = document.createEvent("HTMLEvents");
122
            event.initEvent("removed", false, true);
123
            event.removedElement = listItem;
124
            this.dualListbox.dispatchEvent(event);
125
        }, 0);
126
    }
127
}