Baseline Widely available *
HTML èæ¬å ç´ æ´é² HTMLScriptElement æ¥å£ï¼å®æä¾äºç¹æ®ç屿§åæ¹æ³ (è¶ åºäºå¸¸è§ HTMLElement 对象æ¥å£ï¼ä»ä»¬ä¹å¯ä»¥éè¿ç»§æ¿æçºµ<èæ¬>å ç´ çå¸å±åæ¼ç¤ºãï¼
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type
DOMString
代表äºèæ¬ç MIME ç±»åãå®åæ äº type
屿§ãå¦ä½è§£æå¥å¼çç¼ç¨è¯è¨ï¼è¯·é
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DOMString
代表äºä½¿ç¨å¤é¨èæ¬èµæºçå°åãå®åæ äº src
屿§ã htmlFor
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ç´ ç»å®å°ä¸ä¸ªæ ç¾ã event
å·²å¼ç¨ DOMString
HTML DOM äºä»¶å
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ç´ å¨ä¸ä¸ª HTML ææ¡£ã charset
DOMString
代表å¤é¨èæ¬èµæºçå符ç¼ç ãå®åæ äº charset
屿§ã async
Boolean
async å defer 屿§å¼ä¸º boolï¼å®ç¨æ¥è¯´æ script èæ¬åºè¯¥å¦ä½æ§è¡ã卿²¡æ src 屿§çæ åµä¸ï¼async å defer 屿§å¯ä»¥ä¸æå®å¼ã
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document.write()
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<script>
å ç´ æ§è¡ï¼é常æ¯åæ¥ï¼ï¼ä½å½æå ¥ä½¿ç¨ innerHTML å outerHTML 屿§ï¼å®ä»¬ä¸æ§è¡ã
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让æä»¬å建ä¸ä¸ªå为 importScript ç彿°ï¼å®è½å¤å¨ä¸ä¸ªææ¡£ä¸å¯¼å
¥æ°çèæ¬ï¼å建ä¸ä¸ª <script>
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function loadError(oError) {
throw new URIError("The script " + oError.target.src + " is not accessible.");
}
function importScript(sSrc, fOnload) {
var oScript = document.createElement("script");
oScript.type = "text/javascript";
oScript.onerror = loadError;
if (fOnload) {
oScript.onload = fOnload;
}
document.currentScript.parentNode.insertBefore(
oScript,
document.currentScript,
);
oScript.src = sSrc;
}
以ä¸å½æ°ä¸æ¯å°æ°èæ¬ç´æ¥æå
¥å¨ document.currentScript
å
ç´ ä¹åï¼èæ¯å°å®ä»¬ä½ä¸º <head>
æ ç¾çåèç¹è¿½å ã
var importScript = (function (oHead) {
function loadError(oError) {
throw new URIError(
"The script " + oError.target.src + " is not accessible.",
);
}
return function (sSrc, fOnload) {
var oScript = document.createElement("script");
oScript.type = "text/javascript";
oScript.onerror = loadError;
if (fOnload) {
oScript.onload = fOnload;
}
oHead.appendChild(oScript);
oScript.src = sSrc;
};
})(document.head || document.getElementsByTagName("head")[0]);
示ä¾ç¨æ³ï¼
importScript("myScript1.js");
importScript(
"myScript2.js",
/* onload function: */ function () {
alert(
'You read this alert because the script "myScript2.js" has been correctly loaded.',
);
},
);
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