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Check for shadowing properties on DOM proxies. Fixes #12357.

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This commit is contained in:
Josh Matthews 2016-08-22 18:33:45 -04:00
parent 2ad293ca64
commit 4961a513d4
2 changed files with 32 additions and 6 deletions
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12
tests/html/bindings_perf.html
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@ -1,6 +1,7 @@
<button onclick="void_method()">measure void method</button>
<button onclick="int_getter()">measure int getter</button>
<button onclick="firstChild_getter()">measure firstChild getter</button>
<button onclick="proxy_firstChild_getter()">measure proxy firstChild getter</button>
<script>
var t = 'TestBinding' in window ? (new TestBinding()) : (new TextEncoder());
function void_method() {
@ -33,4 +34,15 @@ function firstChild_getter() {
var stop = new Date();
console.log('firstChild getter: ' + ((stop - start) / count * 1e6) + 'ns');
}
function proxy_firstChild_getter() {
var n = document;
var start = new Date();
var count = 1000000;
for (var i = 0; i < count; i++) {
var a = n.firstChild;
}
var stop = new Date();
console.log('proxy firstChild getter: ' + ((stop - start) / count * 1e6) + 'ns');
}
</script>