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About Javascript If

Also, it looks like you're getting the checked attribute in this line var cdocument.getElementByIdquotCquot.checked, then trying to get the checked attribute of c again here c.checked. You only need to do that once. -

Tutorials filter input . HTML and CSS Check whether a checkbox is checked with JavaScript. Display some text when the checkbox is checked Checkbox Check Whether a Checkbox is Checked Step 1 Add HTML Example else text.style.display quotnonequot

A JavaScript tutorial about 'If, Else, and User Input' But anyway, let's get back to what we were doing. The simplest way to formulate a condition for our 'if' statement is to have the value we want to compare to something, then a comparison operator so in our simple example, we'll want the quotis equal toquot operator and then the value we want to compare the first value to.

else if statement Adds more conditions to the if statement, allowing for multiple alternative conditions to be tested. switch statement Evaluates an expression, then executes the case statement that matches the expression's value. ternary operator Provides a concise way to write if-else statements in a single line. Nested if else statement

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In any programming language, the code needs to make decisions and carry out actions accordingly depending on different inputs. For example, in a game, if the player's number of lives is 0, then it's game over. In a weather app, if it is being looked at in the morning, show a sunrise graphic show stars and a moon if it is nighttime. In this article, we'll explore how so-called conditional

The checked property can also be used to change the checked status of a checkbox programmatically using JavaScript, as shown below Mark checkbox as checked document. querySelector 'checkbox'. checked true Uncheck checkbox document. querySelector 'checkbox'. checked false

JavaScript if-else-if ladder statement. Here, a user can decide among multiple options. The if statements are executed from the top down. As soon as one of the conditions controlling the if is true, the statement associated with that if is executed, and the rest of the ladder is bypassed. If none of the conditions is true, then the final else

The JavaScript ifelse statement is used to executeskip a block of code based on a condition. In this tutorial, we will learn about the JavaScript ifelse statement with examples. Otherwise, the condition in the else if statement is checked. If true, its body is executed and the rest is skipped. Finally, if no condition matches,

In JavaScript we have the following conditional statements Use if to specify a block of code to be executed, if a specified condition is true Use else to specify a block of code to be executed, if the same condition is false Use else if to specify a new condition to test, if the first condition is false