Use And (&&) or OR (||) statement to get the if statement with multiple conditions in JavaScript. Just make sure you wrap your conditions in… Read More »JavaScript if statement multiple conditions | Example code
JavaScript if Conditional statements are used to decide the flow of execution based on conditions. If a condition is true, you can perform one action… Read More »How to write an if statement in JavaScript if i=5 | Example code
Use the if else if statement if you want to check 2 conditions in JavaScript. Use if to specify a block of code to be… Read More »if else if JavaScript | Basic code
Try using the typeof() method or instanceof method to check if the object is in JavaScript. You can use it with the if statement. However,… Read More »JavaScript check if object | Example code
Use the object key method to get the length of an object then check if the object is empty in JavaScript. SimpleCheck if the length… Read More »JavaScript check if object is empty | Example code
Use strict inequality operator (!==) to compare two strings in JavaScript if conditions are not equal in JavaScript. The strict inequality operator always considers operands… Read More »How to compare two strings in JavaScript if condition not equal | Example
In JavaScript, you can use the typeof operator to check if a variable is undefined. If a variable is not initialized, its value will also… Read More »JavaScript check if undefined | Example code
Use some function to check if the value exists in an array of objects in JavaScript. some is a great function for checking the existence… Read More »JavaScript checks if the value exists in an array of objects | Example code
Use typeof in if statement expression to check variables not undefined in JavaScript. In JavaScript, null is an object. There’s another value for things that… Read More »JavaScript if not undefined | Example code
Use strict equality operators ( === ) to compare two strings in JavaScript if the condition. The “regular” == operator can have very unexpected results… Read More »How to compare two strings in JavaScript if the condition | Example