example 1. if (conditions) {true -->do this} else {false --> do this} if((age>=14)&&(age<19)){// logical conditionstatus="Eligible.";// executed if condition is true}else{// else block is optionalstatus="Not eligible.";// executed if condition is false} example 2. multiple i...
For example, let num = 4; // if condition if (num % 2 == 0) console.log("even number"); else console.log("odd number"); // Output: even number Run Code JavaScript else if StatementWe can use the else if keyword to check for multiple conditions.The syntax of the else if ...
何时使用 switch 与if-else 大量单变量条件:当您有大量条件要处理时,switch 语句通常比 if-else 链更有条理且更易于阅读。 单变量评估:如果您正在评估的条件基于具有多个不同值的单个变量或表达式,则 switch 语句可以提供比 if-else 模式更高效、更简洁的解决方案。 更快的代码执行:在某些情况下,Java 引擎可以优...
Complex case :: In the case of multiple conditions, we should use the parentheses according to the need of the program and we have to use 'Logical AND' or 'Logical OR' in that case also. Multi-stage Conditions [if...else if...else if... ...else](else-if.js) ...
The above example uses the%operator, which returns the remainder when the number preceding it is divided by the number following it. If the remainder when divided by2is0, the number is even. Example: Filtering Strings Using Multiple Conditions ...
Else if Statement Withifandelse, we can run blocks of code depending on whether a condition istrueorfalse. However, sometimes we might have multiple possible conditions and outputs, and need more than simply two options. One way to do this is with theelse ifstatement, which can evaluate mor...
if (value < 5) { //do something } else if (value > 5 && value < 10) { //do something } else { //do something } This code is optimal only if value is most frequently less than 5. If value is typically greater than or equal to 10, then two conditions must be evaluated each...
A return in an else if block following an if block that contains a return can be separated into multiple if blocks. eslint: no-else-return // bad function foo() { if (x) { return x; } else { return y; } } // bad function cats() { if (x) { return x; } else if (y) ...
can have multiple random number generatorsand they won't stomp all over eachother's state.If ...
1001 } else if (condition2) { 1002 console.log(1); 1003 console.log(2); 1004 console.log(3); 1005 1006 return 4; 1007 } else { 1008 return 5; 1009 } 1010 1011 // output 1012 if (condition1) { 1013 const foo = 0x1, bar = 0x2; ...