Short Hand if...elseThere is also a short-hand if else, which is known as the ternary operator because it consists of three operands.It can be used to replace multiple lines of code with a single line, and is most often used to replace simple if else statements:...
let big;if (x > 10) { big = true;}else { big = false;} Shorthand: let big = x > 10 ? true : false; If you rely on some of the weak typing characteristics of JavaScript, this can also achieve more concise code. For example, you could reduce the preceding code fragment to this...
Short-circuit evaluation shorthand handles conditions in JavaScript. In JavaScript, when you use `&&` (AND) and `||` (OR) operators, the first condition is checked first. If the result can be determined from the first condition, the second one is not checked. For example, in `a && b(...
If you want to learn more about ES6 and beyond, check out JavaScript: Novice to Ninja, 2nd Edition. Key Takeaways Leverage the ternary operator for concise if-else statements, allowing single-line code replacements and nested conditions. Utilize short-circuit evaluation to assign default values ef...
a11y/useAriaPropsForRole style/useCollapsedElseIf style/useNodeAssertStrict correctness/noNonoctalDecimalEscape style/useEnumInitializers a11y/useHtmlLang suspicious/noDuplicateTestHooks complexity/noStaticOnlyClass style/useWhile complexity/useArrowFunction ...
A single equal sign is used for assignment, whereas two or three equal signs are used for comparison. index.js const name = 'Bobby Hadz'; console.log(name); if (name === 'Bobby Hadz') { console.log('the values are equal') } else { console.log('the values are NOT equal') } ...
}else{returnfalse; } } If you still don't understand, look at this table: |truefalse---+---true|truetruefalse|truefalse In other words, it's only false when both values are false. How is itdifferent in JavaScript? JavaScript is a bit different...
Change Variable content Inside an "If-Else-If" Statement Changing an inherited properties Attribute value Changing default connection timeout value for SQL connection Changing my application exe icon at runtime programatically Changing obj folder path Changing Screen Orientation Programmatically by 180 degre...
2019-09-28 16:27 − 1)忘记在 if , elif , else , for , while , class ,def 声明末尾添加 :(导致 “SyntaxError :invalid syntax”)该错误将发生在类似如下代码中:12if spam== 42 print('Hello!')2)... 澜七玖 0 6422 invalid property value 2019-12-25 16:24 − 四则运算前后都要...
Updated:August 7, 2022 Starting today, and pending the work involved and subsequent success/failure, I will be regularly posting screencasts on Impressive Webs. Most of my writing time is spent authoring stuff for Smashing Magazine and Web Designer Depot of late, so I thought, as a change of...