or we can enter it directly at the command line (slightly shortened): 或者我们可以直接在命令行中输入以上代码(略有缩短): 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [me@linuxbox ~]$ x=5 [me@linuxbox ~]$ if [ $x = 5 ]; then echo "equals 5"; else echo "does not equal ...
这时候在开发代码上的体现就是代码库急剧膨胀,业务扩张自然会扩招,新同事也会在已有的代码上打补丁,在这些补丁式的需求下,曾经的if else会指数级的混乱,一个简单的需求都可能挑战现有的状态分支。这种“坏味道”不加以干预,整个项目的生命力直接走向暮年。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 //...
JavaScript if...else StatementIn computer programming, the if...else statement is a conditional statement that executes a block of code only when a specific condition is met. For example,Suppose we need to assign different grades to students based on their scores....
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...
if s == 'JavaScript' or s == 'jQuery' or s == 'ZinoUI': print(s + ' Tutorial') Output: jQuery Tutorial Write an if-else in a single line of code You can write an if-else statement in one line using a ternary expression. This can make the code more concise. ...
JavaScript includes three forms of if condition: if condition, if else condition and else if condition. The if condition must have conditional expression in brackets () followed by single statement or code block wrapped with . 'else if' statement must be placed after if condition. It can be ...
More on Python if…else Statement CompactifStatement In certain situations, theifstatement can be simplified into a single line. For example, number =10ifnumber >0:print('Positive') Run Code This code can be compactly written as number =10ifnumber >0:print('Positive') ...
ElseYou can provide a second part to the if statement: else.You attach a statement that is going to be executed if the if condition is false:if (true) { //do something } else { //do something else }Since else accepts a statement, you can nest another if/else statement inside it:...
ElseIfi =1Then TracePrint"条件i=1符合通过,开始执行这一部分代码。" Else TracePrint"以上条件都不成立,开始执行这一部分代码。" EndIf 例子4 1 2 3 4 5 6 7 Dimi i =0 //判断条件i是不是等于0 //如果i是等于0,则执行If里面的代码 //如果i不是等于0,则不执行If里面的代码 ...
This statement includes a single line or a bunch of code enclosed in curly braces, on which theifcondition will be applied. We can refer to the following code for an example of a PHPifstatement. <?php$title="PHP IF ELSE keywords";if(isset($title)) {$output="$title";echo$output; ...