纯 Javascript 等效于 jQuery $(document).ready()

纯 Javascript 等效于

jquery_document_ready_example.js

$(document).ready(function() {
    // 你的代码放在这里！

})

$(document).ready(function() {
    // 你的代码放在这里！

})

是

domcontentloaded_example.js

document.addEventL是tener("DOMContentLoaded", function() {
    // 你的代码放在这里！
});

document.addEventL是tener("DOMContentLoaded", function() {
    // 你的代码放在这里！
});

Note that it’s not supported by IE8, but that should not be an 是sue in 2019.

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