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Commit c743abf

ashokdey ashokdey

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update: delete the elements

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src/_DataStructures_/Stack/2-stacks-using1-array
- index.js

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`‎src/_DataStructures_/Stack/2-stacks-using1-array/index.js‎`

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Original file line number	Diff line number	Diff line change
`@@ -40,6 +40,7 @@ class TwoStacks {`
`40`	`40`	`pop1() {`
`41`	`41`	`if (this.top1 >= 0) {`
`42`	`42`	`const item = this.data[this.top1];`
	`43`	`+ delete this.data[this.top1];`
`43`	`44`	`this.top1 -= 1;`
`44`	`45`	`return item;`
`45`	`46`	`}`
`@@ -49,6 +50,7 @@ class TwoStacks {`
`49`	`50`	`pop2() {`
`50`	`51`	`if (this.top2 < this.capacity) {`
`51`	`52`	`const item = this.data[this.top2];`
	`53`	`+ delete this.data[this.top2];`
`52`	`54`	`this.top2 += 1;`
`53`	`55`	`return item;`
`54`	`56`	`}`

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