Commit 4d46deb

author

Swastikyadav

committed

Update binding methods polyfills

1 parent 0432dc0 commit 4d46debCopy full SHA for 4d46deb

File tree

+35

-8

lines changed

+35

-8

lines changed

Lines changed: 10 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -18,9 +18,17 @@ printName.apply(obj, ["Delhi", "India"]);`
`18`	`18`	`// Solution`
`19`	`19`	`Function.prototype.polyApply = function(context, args) {`
`20`	`20`	`// 'this' points to printName function`
`21`		`- context.fn = this;`
	`21`	`+ // context.fn = this;`
`22`	`22`
`23`		`- return context.fn(...args);`
	`23`	`+ // return context.fn(...args);`
	`24`	`+`
	`25`	`+ const symbol = Symbol();`
	`26`	`+ context[symbol] = this;`
	`27`	`+`
	`28`	`+ const result = context[symbol](...args);`
	`29`	`+ delete context[symbol];`
	`30`	`+`
	`31`	`+ return result;`
`24`	`32`	`}`
`25`	`33`
`26`	`34`	`// Using polyApply method.`

Lines changed: 15 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -19,11 +19,22 @@ nativePrintNameBind("Delhi", "India");`
`19`	`19`	`// Solution`
`20`	`20`	`Function.prototype.polyBind = function(context, ...args) {`
`21`	`21`	`// 'this' points to printName function`
`22`		`- let callback = this;`
	`22`	`+ // let callback = this;`
`23`	`23`
`24`		`- return function(...args2) {`
`25`		`- callback.apply(context, [...args, ...args2]);`
`26`		`- };`
	`24`	`+ // return function(...args2) {`
	`25`	`+ // callback.apply(context, [...args, ...args2]);`
	`26`	`+ // };`
	`27`	`+`
	`28`	`+ return (...args2) => {`
	`29`	`+ const symbol = Symbol();`
	`30`	`+`
	`31`	`+ context[symbol] = this;`
	`32`	`+`
	`33`	`+ const result = context[symbol](...args, ...args2);`
	`34`	`+ delete context[symbol];`
	`35`	`+`
	`36`	`+ return result;`
	`37`	`+ }`
`27`	`38`	`}`
`28`	`39`
`29`	`40`	`// Using polyBind method.`

Lines changed: 10 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -18,9 +18,17 @@ printName.call(obj, "Delhi", "India");`
`18`	`18`	`// Solution`
`19`	`19`	`Function.prototype.polyCall = function(context, ...args) {`
`20`	`20`	`// 'this' points to printName function`
`21`		`- context.fn = this;`
	`21`	`+ // context.fn = this;`
`22`	`22`
`23`		`- return context.fn(...args);`
	`23`	`+ // return context.fn(...args);`
	`24`	`+`
	`25`	`+ const symbol = Symbol();`
	`26`	`+ context[symbol] = this;`
	`27`	`+`
	`28`	`+ const result = context[symbol](...args);`
	`29`	`+ delete context[symbol];`
	`30`	`+`
	`31`	`+ return result;`
`24`	`32`	`}`
`25`	`33`
`26`	`34`	`// Using polyCall method.`

Comments

(0)