GopherProxy

	initial script to load other scripts on-demand - jscancer - Javascript crap (re…
	git clone git://git.codemadness.org/jscancer
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	---
	commit a483eaff4722585813a1e64dedde3fa3d2e66b4a
	parent 44c57648b8d5f8ecc939bec21affe6fb7c1fec62
	Author: Hiltjo Posthuma <[email protected]>
	Date: Sun, 29 May 2016 13:26:19 +0200

	initial script to load other scripts on-demand

	Diffstat:
	A loadscript/example.html \| 18 ++++++++++++++++++
	A loadscript/example_load.js \| 3 +++
	A loadscript/loadscript.js \| 28 ++++++++++++++++++++++++++++

	3 files changed, 49 insertions(+), 0 deletions(-)
	---
	diff --git a/loadscript/example.html b/loadscript/example.html
	@@ -0,0 +1,18 @@
	+<html>
	+<head>
	+<script type="text/javascript" src="loadscript.js"></script>
	+</head>
	+<body>
	+<input type="button" id="test" />
	+
	+<script type="text/javascript">
	+var el = document.getElementById("test");
	+el.onclick = function() {
	+ script_load("example_load.js", function() {
	+ test_init();
	+ });
	+ this.style.display = "none"; // hide button.
	+};
	+</script>
	+</body>
	+</html>
	diff --git a/loadscript/example_load.js b/loadscript/example_load.js
	@@ -0,0 +1,3 @@
	+function test_init() {
	+ alert("plop");
	+}
	diff --git a/loadscript/loadscript.js b/loadscript/loadscript.js
	@@ -0,0 +1,28 @@
	+var script_loaded = {};
	+function script_load(uri, fn) {
	+ // load script once.
	+ if (script_loaded[uri] !== undefined)
	+ return;
	+ fn = fn \|\| function() {};
	+ script_loaded[uri] = {
	+ "fn": function() {
	+ // execute function once.
	+ fn();
	+ script_loaded[uri].fn = function() {};
	+ }
	+ };
	+ var script = document.createElement("script");
	+ script.type = "text/javascript";
	+ script.src = uri;
	+// script.onreadystatechange = function() {
	+// switch (this.readyState) {
	+// case "complete":
	+// case "loaded":
	+// script_loaded[uri].fn();
	+// }
	+// }
	+ script.onload = function() {
	+ script_loaded[uri].fn();
	+ };
	+ document.head.appendChild(script);
	+}