jQuery ?? JavaScript? ???? ????? ?? ?? ?? ? ??? ??
????? ????? ?? ?? ??, ??? ??, ??? ???? File API? ?????. HTML5? JavaScript? ?????.
URL API ??
Blob ??? ???? URL? ?????. ??.
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if (!(/^image\/(png|jpe?g|gif)$/).test(file.type))
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('load', () => {
EL_preview.appendChild(img);
EL_preview.insertAdjacentHTML('beforeend', `<div>${file.name} ${img.width}×${img.height} ${file.type} ${Math.round(file.size/1024)}KB<div>`);
window.URL.revokeObjectURL(img.src); // Free some memory
});
img.src = window.URL.createObjectURL(file);
};
EL_browse.addEventListener('change', ev => {
EL_preview.innerHTML = ''; // Remove old images and data
const files = ev.target.files;
if (!files || !files[0]) return alert('File upload not supported');
[...files].forEach(readImage);
});
#preview img { max-height: 100px; }
<input>
? ??? JavaScript? ????? ?? ?? ??? ??? ??? ?? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
? AI ??
Undress AI Tool
??? ???? ??
Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
?? ??
??? ??
???++7.3.1
???? ?? ?? ?? ???
SublimeText3 ??? ??
??? ??, ???? ?? ????.
???? 13.0.1 ???
??? PHP ?? ?? ??
???? CS6
??? ? ?? ??
SublimeText3 Mac ??
? ??? ?? ?? ?????(SublimeText3)
??? ??
8638
17
1783
16
1728
56
1579
28
1444
31
Java vs. JavaScript : ??? ?????
Jun 20, 2025 am 12:27 AM
Java ? JavaScript? ?? ?? ????? ??? ?? ?? ?? ???? ????? ?????. Java? ??? ? ??? ?????? ??? ???? JavaScript? ?? ? ??? ??? ?????.
JavaScript ?? : ?? ??
Jun 19, 2025 am 12:40 AM
JavaScriptCommentsareEnsentialformaining, ?? ? ???? 1) Single-LinecommentsERUSEDFORQUICKEXPLANATIONS.2) Multi-linecommentSexplaincleClexLogicOrprovidedEdeDDocumentation.3) inlineecommentsClarifySpecificPartSofcode.bestPractic
JS? ??? ???? ???? ???
Jul 01, 2025 am 01:27 AM
JavaScript?? ??? ??? ?? ? ? ?? ??? ???????. 1. ?? ??? ??? ???? ?? ??? ????. ISO ?? ???? ???? ???? ???? ?? ????. 2. ?? ??? ?? ???? ??? ?? ???? ??? ? ??? ? ?? 0?? ????? ?? ??????. 3. ?? ?? ???? ???? ???? ?? ?????? ??? ? ????. 4. Luxon? ?? ???? ???? ?????? ???? ?? ????. ??? ?? ???? ????? ???? ??? ????? ?? ? ????.
JavaScript vs. Java : ?????? ??? ? ??
Jun 20, 2025 am 12:21 AM
JavaScriptIspreferredforwebDevelopment, whithjavaisbetterforlarge-scalebackendsystemsandandandoidapps.1) javascriptexcelsincreatinginteractivewebexperiences withitsdynatureanddommanipulation.2) javaoffersstrongtypingandobject-Orientededededededededededededededededdec
? ? ??? ??? ?? ???? ??? ??????
Jul 02, 2025 am 01:22 AM
TAGGSATTHEBOTTOMOFABLOGPOSTORWEBPAGESERVESPRACTICALPURSEO, USEREXPERIENCE, andDESIGN.1.ITHELPSWITHEOBYOWNSESPORENGENSTOESTOCESKESKERKESKERKERKERDER-RELEVANTTAGSWITHOUTHINGTEMAINCONTENT.2.ITIMPROVESEREXPERKEEPINGTOPONTEFOCUSOFOFOFOCUSOFOFOFOCUCUSONTHEATECLL
JavaScript : ???? ????? ??? ?? ??
Jun 20, 2025 am 12:46 AM
javascriptassevenfundamentalDatatatypes : ??, ???, ??, unull, ??, ? symbol.1) ?? seAdouble-precisionformat, ??? forwidevaluerangesbutbecautiouswithfatingfointarithmetic.2) stringsareimmutable, useefficientconcatenationmethendsf
DOM?? ??? ?? ? ? ??? ??????
Jul 02, 2025 am 01:19 AM
??? ?? ? ??? DOM?? ??? ??? ? ?????. ??? ?? ????? ?? ??????, ??? ?? ???? ?? ????????. 1. ??? ??? addeventListener? usecapture ?? ??? true? ???? ?????. 2. ??? ??? ?? ???? usecapture? ???? ????? ?????. 3. ??? ??? ??? ??? ???? ? ??? ? ????. 4. ??? ?? ?? ?? ??? ?? ??? ??????? ??? ???? ?????. 5. ??? ?? ?? ?? ??? ?? ???? ?? ???? ? ??? ? ????. ? ? ??? ???? ???? JavaScript? ??? ??? ??? ????? ???? ???? ??? ??????.
Java? JavaScript? ???? ??????
Jun 17, 2025 am 09:17 AM
Java? JavaScript? ?? ????? ?????. 1. Java? ???? ???? ??? ? ??? ?????? ?????? ? ?? ???? ?????. 2. JavaScript? ?? ? ?? ?? ? ??? ?? ??? ???? ??? ? ?? ? ?? ?????.
