Undefined Is Not Null: There Is a Difference – JavaScript Developer Humor Premium Oversized Sweatshirt
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$35.46
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Premium Oversized SweatshirtPremium sweatshirt, heavyweight fleece, roomy sleeves
$35.46
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- Our most premium sweatshirt yet in a 10 oz heavyweight fleece fabric
- Your favorite classic sweatshirt silhouette with extra room in the sleeves
- Cozy construction that provides ample warmth while maintaining comfort
- Subtle clean finishes for a streamlined look whether you’re dressing up or down
- Your favorite neutral colors plus new retro inspired colors to choose from
- Size up one size if you like your sweatshirts more baggy in the body
- Male model shown is 6'2" / 188 cm tall and wearing size XL - He usually wears size Large
- Female model shown is 5’11” / 180 cm tall and wearing size M - She usually wears size Small
- Washing instructions: Hand or machine wash cold. Do not dry clean, bleach, tumble dry or iron on the print
- Since every item is made just for you by your local third-party fulfiller, there may be slight variances in the product received
Undefined Is Not Null: There Is a Difference – JavaScript Developer Humor
undefined !== null // there is a difference. Every JavaScript developer has been bitten by this one: two values that look like “nothing” but aren’t the same thing, and a strict equality operator that knows it. This design shows the comparison as a block of code in terminal green and red, with the punchline written as a code comment.
Made for web developers, frontend engineers and anyone who has ever debugged a “cannot read properties of undefined” error at 2 a.m. A good fit for code review survivors, team chats and coworker gift swaps.
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