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							7 lines
						
					
					
						
							308 B
						
					
					
				| // replace(): takes to parameter the old substring and new substring.
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| // string.replace(oldsubstring, newsubstring)
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| 
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| let string = '30 Days Of JavaScript'
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| console.log(string.replace('JavaScript', 'Python')) // 30 Days Of Python
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| let country = 'Finland'
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| console.log(country.replace('Fin', 'Noman')) // Nomanland
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