不终止字符串常量与if else

Question

我是编码一个小测验，需要它显示一个特定的答案取决于分数。

当我刚刚显示分数时，我已经开始工作了，但是现在我已经添加了if added，它已经停止工作了，并且我得到了一个未终止的字符串常量。

$total_score = $first_question + $second_question + $third_question + $fourth_question + $fifth_question + $sixth_question + $seventh_question + $eighth_question + $ninth_question + $tenth_question + $eleventh_question + $twelfth_question + $thirteenth_question + $fourteenth_question + $fifthteenth_question + $sixteenth_question ;
});

$("#btn").click(function() {
   $('#reveal').html("<h3><strong>Total score</strong> " + $total_score +"</h3>"); 

if ($total_score >= 13) {
$('#answer').html("<h3><strong>13-16: Answer</strong></h3>"); 

} else if ($total_score >=9 && $total_score <= 12) {
$('#answer').html("<h3><strong>9-12: answer</strong></h3>"); 

} else if ($total_score >=5 && $total_score <= 8) {
$('#answer').html("<h3><strong>5-8: answer</strong></h3>"); 


 } else {
 $('#answer').html("<h3><strong> everything else</strong></h3>"); 
 }

});

Answer 1

除了@Spork注意到的换行符外，您还需要在$total_score计算之后删除多余的“}”：

    $total_score = $first_question + $second_question + $third_question + $fourth_question + $fifth_question + $sixth_question + $seventh_question + $eighth_question + $ninth_question + $tenth_question + $eleventh_question + $twelfth_question + $thirteenth_question + $fourteenth_question + $fifthteenth_question + $sixteenth_question ;
    /* must remove the following:
    });
    */
    $("#btn").click(function() {
        $('#reveal').html("<h3><strong>Total score</strong> " + $total_score +"</h3>"); 

        if ($total_score >= 13) {
            $('#answer').html("<h3><strong>13-16: Answer </strong></h3>"); 

        } else if ($total_score >=9 && $total_score <= 12) {
            $('#answer').html("<h3><strong>9-12: answer </strong></h3>"); 

        } else if ($total_score >=5 && $total_score <= 8) {
            $('#answer').html("<h3><strong>5-8: answer </strong></h3>"); 
        } else {
            $('#answer').html("<h3><strong> everything else</strong></h3>"); 
        }

    });

Answer 2

Javascript将行的结尾大致视为分号(;)，因此不能像脚本中那样有多行字符串。把它们拿开，一切都会好的。