The good ones work the way you would expect. JavaScript has two sets of equality operators: = and !=, and their evil twins = and !=. To quote Douglas Crockford's excellent JavaScript: The Good Parts, The = operator will not do the conversion, so if two values are not the same type = will simply return false. The = operator will compare for equality after doing any necessary type conversions. Reference: Javascript Tutorial: Comparison Operators The strict equality operator (=) behaves identically to the abstract equality operator (=) except no type conversion is done, and the types must be the same to be considered equal. Which equals operator (= vs =) should be used in JavaScript comparisons? Next: Write a JavaScript program to get the website URL (loading page). Previous: Write a JavaScript program to calculate multiplication and division of two numbers (input from user). Improve this sample solution and post your code through Disqus See the Pen JavaScript: Convert temperatures - basic-ex-11 by w3resource ( on CodePen. Var message = fTemp+'\xB0F is ' + fToCel + '\xB0C.' įor an exact conversion (Fahrenheit to Celsius / Celsius to Fahrenheit) the following formulas can be applied :įahrenheit to Celsius : (☏ − 32) ÷ 1.8 = ☌Ĭelsius to Fahrenheit : (☌ × 1.8) + 32 = ☏Īn approximate conversion between degrees Celsius and degrees Fahrenheit is as follows :įahrenheit to Celsius : Subtract 30 and halve the resulting number.Ĭelsius to Fahrenheit : Double the number and add 30.Ĭonst message = `$\xB0C.` Var message = cTemp+'\xB0C is ' + cToFahr + ' \xB0F.' Write a JavaScript program to convert temperatures to and from celsius, fahrenheit Just enter a Fahrenheit temperature in the text box below, then click on the Convert button. ![]() You can also use this Web page to convert Fahrenheit temperatures to centigrade. The centigrade to Fahrenheit conversion formula is: C = (5/9) * (F - 32) In the centigrade scale, water freezes at 0 degrees and boils at 100 degrees. The centigrade scale, which is also called the Celsius scale, was developed by Swedish astronomer Andres Celsius. In the Fahrenheit scale, water freezes at 32 degrees and boils at 212 degrees. ![]() ![]() The Fahrenheit scale was developed by the German physicist Daniel Gabriel Fahrenheit. JavaScript: Fahrenheit and Centigrade Temperatures:įahrenheit and centigrade are two temperature scales in use today. Write a JavaScript program to convert temperatures to and from celsius, fahrenheit. JavaScript Basic: Exercise-11 with Solution
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