if vs switch statement

Question

Any reason that this code wouldn't work:

Qualtrics.SurveyEngine.addOnload(function ()
    {
    	var that = this;
        
    	that.questionclick = function (event,element) {
    		setTimeout(function () {
    			var answer = that.getSelectedChoices()[0];
    			switch(answer) {
    				case 1:
    				case 2:
    				case 8:
    				case 9:
    					Qualtrics.SurveyEngine.setEmbeddedData('Sign' ,'$');
    					break;
    				case 3:
    					Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '£');
    					break;
    				case 4:
    					Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '€');
    					break;
    			}
    		}, 100);
    	}
    });

But this codes does:

Qualtrics.SurveyEngine.addOnload(function ()
    {
        var that = this;
    
        that.questionclick = function (event,element) {
            setTimeout(function () {
                var answer = that.getSelectedChoices()[0];
                if (answer == 1) {
                    Qualtrics.SurveyEngine.setEmbeddedData('Sign' ,'$');
    				
                } else if (answer == 2) {
                    Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '$');
    				
                }
    				else if (answer == 3) {
    				Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '£');
    				
                }
    				else if (answer == 4) {
    				Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '€');
    				
                }
    				else if (answer == 8) {
    				Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '$');
                }
    				else if (answer == 9) {
    				Qualtrics.SurveyEngine.setEmbeddedData('Sign' , '$');
                }
            }, 100);
        }
    });

HPowell · Accepted Answer

Since I can't delete the post, it has to do with the fact the switch statement uses strict comparison while the if statement (==) doesn't. I didn't realize that the qualtrics method  `getSelectedChoices()` returns a string and not an integer. Wrapping parseInt() i.e `parseInt(that.getSelectedChoices()[0], 10);` fixed the issue.

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