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How to make the first letter in a string into a capital letter in JavaScript?

Learn how to use the toUpperCase() and slice() string methods to make the first letter in a string into a capital letter in JavaScript

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JavaScript
How to convert a Set to an Array in JavaScript?

Learn how to use the Array.from() method to convert a Set to an Array in JavaScript

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JavaScript
How to convert a Map to an Array in JavaScript?

Learn how to use the Array.from() method to convert a Map to an Array in JavaScript

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JavaScript
How to get or access the properties and methods of figure HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of figure HTML element tag without errors in TypeScript

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TypeScript
How to get or access the properties and methods of div HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of div HTML element tag without errors in TypeScript

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TypeScript
How to get or access the properties and methods of section HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of section HTML element tag without errors in TypeScript

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TypeScript
How to get or access the properties and methods of nav HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of nav HTML element tag without errors in TypeScript

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TypeScript
How to get or access the properties and methods of anchor (or a) HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLAnchorElement interface to get or access the properties and methods of anchor (or a) HTML element tag without errors in TypeScript

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TypeScript
How to get or access the properties and methods of figcaption HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of figcaption HTML element tag without errors in TypeScript

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TypeScript
How to get or access the properties and methods of blockquote HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLQuoteElement interface to get or access the properties and methods of blockquote HTML element tag without errors in TypeScript

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TypeScript
How to use the "in" operator to narrow down the properties and methods of an object with union type in TypeScript?

Learn how to use the "in" operator to narrow down the properties and methods of an object with union type in TypeScript?

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TypeScript
What are the falsy values in TypeScript and JavaScript?

Learn what are the falsy values and how to use those values in TypeScript and JavaScript

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TypeScript
How to get or access the properties and methods of main HTML element tag without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of main HTML element tag without errors in TypeScript

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TypeScript
How to check the type of a variable or constant in TypeScript?

Learn how to use the typeof operator to check the type of a variable or constant in TypeScript

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TypeScript
How to work or perform operations on function parameter variables with union type in TypeScript?

Learn how to use the Type Narrowing method to work or perform operations on function parameter variables with union type in TypeScript

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TypeScript
How to get or access the properties and methods of h6 HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLHeadingElement interface to get or access the properties and methods of h6 HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of h5 HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLHeadingElement interface to get or access the properties and methods of h5 HTML element tags without errors in TypeScript

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TypeScript
How to convert an object to a read-only or a constant object in TypeScript?

Learn how to use the as and the const keyword to convert an object to a read-only or a constant object in TypeScript

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TypeScript
How to make object properties boolean type values to boolean literal type in TypeScript?

Learn how to use the as keyword to make object properties boolean type values to boolean literal type in TypeScript

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TypeScript
How to make object properties number type values to number literal type in TypeScript?

Learn how to use the as keyword to make object properties number type values to number literal type in TypeScript

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TypeScript
How to make object properties string type values to string literal type in TypeScript?

Learn how to use the as keyword to make object properties string type values to string literal type in TypeScript

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TypeScript
How to allow only certain number values for variables or constants in TypeScript?

Learn how to use the number literal union type to allow only certain number values for variables or constants in TypeScript

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TypeScript
How to allow only certain string values for variables or constants in TypeScript?

Learn how to use the string literal union type to allow only certain string values for variables or constants in TypeScript

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TypeScript
How to get or access the properties and methods of h4 HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLHeadingElement interface to get or access the properties and methods of h4 HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of h3 HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLHeadingElement interface to get or access the properties and methods of h3 HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of h2 HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLHeadingElement interface to get or access the properties and methods of h2 HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of h1 HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLHeadingElement interface to get or access the properties and methods of h1 HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of header HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of header HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of footer HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of footer HTML element tags without errors in TypeScript

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TypeScript
How to get or access the properties and methods of aside HTML element tags without errors in TypeScript?

Learn how to use Type Assertion and HTMLElement interface to get or access the properties and methods of aside HTML element tags without errors in TypeScript

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TypeScript
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