Can you please check this code? Although, I've found a solution, I must return 2 times str, but this doesn't seem to work with all the test cases: if (str.length ===
下列JavaScript的循环语句中正确的是()A.if(i 相关知识点: 试题来源: 解析 D 【解析】【分析】(1)细菌和真菌的生活需要一定的条件,如水分、适宜的温度、还有有机物。因此首先要配制含有营养物质的培养基,可以用牛肉汁加琼脂熬制,然后把培养基和所有用具进行高温灭菌,以防杂菌对实验的干扰,为防止高温杀死细菌、...
A. if...else B. for C. while D. switch...case 相关知识点: 试题来源: 解析 switch语句适用于需要对多个值进行比较的情况,可以有效地替代多重if语句,使代码更加简洁易读。 // 声明变量fruit并赋值为字符串'apple' var fruit = 'apple'; // 使用switch语句对变量fruit进行判断,根据不同的值输出...
Javascript with HTML if statement 0 Please can somebody explain this short and sweet javascript code 0 I'm having confusion about if-statement in javascript 1 Javascript Silly Question: if-statement syntax 1 javascript understanding if else statement Hot Network Questions Why do fine-...
The else statement is another conditional statement in JavaScript. Unlike if, it couldn't be specified alone — there has to be an if statement preceding an else. So what's else used for? The else statement executes a piece of code if the condition in the preceding if statement isn't me...
Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 10 months ago. Improve this question I'm trying to use else/if statements to return different ...
百度试题 结果1 题目下列JavaScript的循环语句中( )是正确的 A. if(i B. for(i=0;i C. for i=1 to 10 D. for(i=0;i 相关知识点: 试题来源: 解析 D.for(i=0;i<=10;i++) 反馈 收藏
在 JavaScript 中,条件语句通过判断不同条件的值,来执行不同的语句。条件语句主要包括() A. if 语句 B. if...else 语句 C. if
question 1 of 3 I want to use a JavaScript code to check if the entered number is a positive or a negative integer. Which of the following conditional statement will be appropriate for this operation? if statement else statement else if statement switch-case statement Next Worksheet ...
You will learn about theJavaScript switch-case statementin the next chapter. The Ternary Operator The ternary operator provides a shorthand way of writing theif...elsestatements. The ternary operator is represented by the question mark (?) symbol and it takes three operands: a condition to check...