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January 15, 2020 15:16
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1. access to element in javascript
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| <html> | |
| <head></head> | |
| <body> | |
| <p name="codepenName" id="codepenID" class="codepenClass">Hello World</p> | |
| <script> | |
| //way1 | |
| /* | |
| var x = window.document.getElementById('codepenID') | |
| x.style.color = 'blue' | |
| */ | |
| //way2 | |
| /* | |
| var x = window.document.getElementsByTagName('P') | |
| x[0].style.color = 'blue' | |
| */ | |
| //way3 | |
| /* | |
| var x = window.document.getElementsByClassName("codepenClass") | |
| x[0].style.color = 'red' | |
| */ | |
| //way4 | |
| /* | |
| var x = window.document.getElementsByName('codepenName') | |
| x[0].style.color = 'green' | |
| */ | |
| //way5 | |
| /* | |
| var x = window.document.querySelector('#codepenID') | |
| x.style.color = 'green' | |
| */ | |
| //way6 | |
| /* | |
| var x = window.document.querySelectorAll('p') | |
| x[0].style.color = 'red' | |
| */ | |
| </script> | |
| </body> | |
| </html> |
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