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Iterating through DOM elements to filter data
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <title>test</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body> | |
| <select multiple id="select" row="1"> | |
| <option>arecibo</option> | |
| <option>ponce</option> | |
| <option>bayamon</option> | |
| <option>guayama</option> | |
| </select> | |
| <button id="submit">Submit</button> | |
| <p class="Campus">arecibo, ponce.</p> | |
| <p class="Campus">arecibo, bayamon.</p> | |
| <p class="Campus">arecibo, bayamon, ponce, guayama.</p> | |
| <script> | |
| $('#submit').click(function(){ | |
| let arr = $('#select').val(); | |
| switch(arr.length) { | |
| case 1: | |
| console.log("case 1"); | |
| checkCampus(arr[0]); | |
| break; | |
| case 2: | |
| console.log("case 2"); | |
| checkCampuses(arr[0], arr[1]) | |
| break; | |
| default: | |
| console.log("case default"); | |
| break; | |
| } | |
| }); | |
| function checkCampus(substring){ | |
| $('.Campus').each(function(){ | |
| if(!cond(this, substring)) | |
| $(this).hide(); | |
| else | |
| $(this).show() | |
| }); | |
| } | |
| function checkCampuses(substr1, substr2){ | |
| $('.Campus').each(function(){ | |
| if(cond(this, substr1) && cond(this, substr2)) | |
| $(this).show(); | |
| else | |
| $(this).hide(); | |
| }); | |
| } | |
| var cond = (elem, str) => $(elem).html().includes(str); | |
| </script> | |
| </body> | |
| </html> |
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