docs/vendor.js
function queueHostBindingForCheck(dirIndex) {
    // Must subtract the header offset because hostBindings functions are generated with
    // instructions that expect element indices that are NOT adjusted (e.g. elementProperty).
    ngDevMode &&
        assertEqual(firstTemplatePass, true, 'Should only be called in first template pass.');
    (tView.hostBindings || (tView.hostBindings = [])).push(dirIndex, viewData.length - 1 - HEADER_OFFSET);
}
function queueHostBindingForCheck(dirIndex) {
    // Must subtract the header offset because hostBindings functions are generated with
    // instructions that expect element indices that are NOT adjusted (e.g. elementProperty).
    ngDevMode &&
        assertEqual(firstTemplatePass, true, 'Should only be called in first template pass.');
    (tView.hostBindings || (tView.hostBindings = [])).push(dirIndex, viewData.length - 1 - HEADER_OFFSET);
}
function queueHostBindingForCheck ( dirIndex ) { // Must subtract the header offset because hostBindings functions are generated with // instructions that expect element indices that are NOT adjusted (e.g. elementProperty). ngDevMode && assertEqual ( firstTemplatePass , true , 'Should only be called in first template pass.' ) ; ( tView . hostBindings || ( tView . hostBindings = [ ] ) ) . push ( dirIndex , viewData . length - 1 - HEADER_OFFSET ) ; }
Stores index of directive and host element so it will be queued for binding refresh during CD.
Stores index of directive and host element so it will be queued for binding refresh during CD .