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ES6 class for a roll-your-own jQuery
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <div class="update-me">Change me</div> | |
| </body> | |
| </html> |
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| // construct a jQuery like class that can chain a jquery like css method and text method: | |
| class jQuery { | |
| constructor(selector) { | |
| this.domElement = document.querySelectorAll(selector); | |
| } | |
| css(updates) { | |
| for (let element of this.domElement) { | |
| for (let [key, value] of Object.entries(updates)) { | |
| element.style[key] = value | |
| } | |
| } | |
| return this | |
| } | |
| text(update) { | |
| for (let element of this.domElement) { | |
| element.innerText = update | |
| } | |
| return this | |
| } | |
| } | |
| // Dollar sign function with class instantiation | |
| const $ = (selector) => { | |
| const element = new jQuery(selector) | |
| return element | |
| } | |
| // Then use it | |
| $('.update-me').css({ | |
| 'color': 'red', | |
| 'textTransform': 'uppercase' | |
| }).text('Problem solved!') |
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