‘onload’ handler for ‘script’ tag in internet explorer

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You should call jQuery.getScript, which does exactly what you’re looking for.

EDIT: Here is the relevant source code from jQuery:

var head = document.getElementsByTagName("head")[0] || document.documentElement;
var script = document.createElement("script");
if ( s.scriptCharset ) {
    script.charset = s.scriptCharset;
}
script.src = s.url;

// Handle Script loading
    var done = false;

// Attach handlers for all browsers
script.onload = script.onreadystatechange = function() {
    if ( !done && (!this.readyState ||
            this.readyState === "loaded" || this.readyState === "complete") ) {
        done = true;
        jQuery.handleSuccess( s, xhr, status, data );
        jQuery.handleComplete( s, xhr, status, data );

        // Handle memory leak in IE
        script.onload = script.onreadystatechange = null;
        if ( head && script.parentNode ) {
            head.removeChild( script );
        }
    }
};

// Use insertBefore instead of appendChild  to circumvent an IE6 bug.
// This arises when a base node is used (#2709 and #4378).
head.insertBefore( script, head.firstChild );

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