The reason why the = operator reasons that "3" and 3 are the same is because it actually coverts the operands (the values either side of the = operator) to the same type before it does the comparison. Function doSomething is mutating the attribute given from outside. I dont usually use mori or immutable.js in my projects. Output is: ValueOne and ValueTwo are the same In JavaScript you always operate on a single thread.
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See the code below : var valueOne = 3 Ĭonsole.log("ValueOne and ValueTwo are the same") Ĭonsole.log("ValueOne and ValueTwo are NOT the same") Ĭan you guess the output? You may or may not be surprised, but these values are considered to be the same. On the other hand, the identity operator ( =) requires both data types to be the same, as a prerequisite. Remember when performing comparisons, the equality operator ( =) will attempt to make the data types the same before proceeding. The correct decision is based on knowledge that how actually they work? Let’s understand. Look no furtherThe worldwide best selling 'You Dont Know JS' book series is back for a 2nd edition: 'You Dont Know JS Yet. One recent example is my work with the Ember framework at work.
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Many developers do not understand the correct version they use in specific scenarios. I see JS frameworks having a multiplier effect - the more JS you know beforehand, the more the benefits of a JS framework will be multiplied. If you have worked on javascript then you must have noticed these two operators to compare values. Web Rush Episode 76: Readable JavaScript React coding interview CSS Selector alternate table row color Laurie Barth tech interviews blog post Musk on open ended questions that reveal what you actually know Musk on Education Doesn’t Matter I ‘don’t care if you even graduated high school Cypress IO React.js Timejumps.