JavaScript switch case语句在我们之前的文章中,我们已经学习了如何在JavaScript中使用if-else语句进行决策。我们已经看到,我们可以使用if-else语句基于特定条件执行某些任务,如果条件为真,执行任务A,如果条件为假,执行任务B。在JavaScript中,switch case语句也用于决策目的。在某些情况下,使用switch case语句比if-else语句...
it evaluates the first case in the list of cases written in the code to the result of the expression given as an input. The associated code of the case that gets matched continues to execute. It continues to evaluate all the cases until the case gets matched with the result of the...
Switch case and if-else offer two different approaches to writing conditional statements in JavaScript. Here’s how to determine which one to use.
JavaScript will execute the next// `case` block.// break;case'Aquaman':sidekick='Aqualad';break;case'Superman':sidekick='Jimmy Olsen';break;default:thrownewError('Unknown hero');}// JavaScript executed both the 'Batman' and 'Aquaman' blocks,// so you get the wrong...
正则表达式是一种用于匹配字符串的模式,可以用于搜索、替换等操作。在JavaScript中,可以使用RegExp对象来创建正则表达式。 在JavaScript中,可以使用正则表达式作为switch c...
Learn how to create a calculator using switch case statements in JavaScript with this comprehensive guide.
如何使用switch语句javascript创建函数 我现在开始学习JS,我需要用switch语句做下面的练习。 function colorMix (color1, color2){ if ((color1 === 'red' && color2 === 'blue') || (color1 === 'blue' && color2 === 'red')){ return 'violet';...
Example switch(newDate().getDay()) { default: text ="Looking forward to the Weekend"; break; case6: text ="Today is Saturday"; break; case0: text ="Today is Sunday"; } Try it Yourself » Ifdefaultis not the last case in the switch block, remember to end the default case with...
case 1: echo "i equals 1"; break; case 2: echo "i equals 2"; break; } // 相当于: if ($i == 0) { echo "i equals 0"; } elseif ($i == 1) { echo "i equals 1"; } elseif ($i == 2) { echo "i equals 2"; ...
C programming example codes. calculatorprogrammingfactorialpractiseswitch-caseif-elsecoding-challengeincrementgreatestadditiondo-whilewhile-loopc-programming-languageleap-year-or-notpractise-purposes-only UpdatedApr 30, 2021 C 1nVitr0/plugin-vscode-blocksort ...