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+--- Thread: Check if an array contains a string, ignoring upper- or lowercase in JavaScript (/showthread.php?tid=4073)
Check if an array contains a string, ignoring upper- or lowercase in JavaScript - Qomplainerz - 04-04-2023
// Check if an array contains a string ignoring upper- or lowercase in JavaScript
const colors = ['Red', 'GREEN', 'Blue'];
const result = colors.map(e => e.toLocaleLowerCase())
.includes('green');
document.write(result);