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benny-sun/prevent-double-submission.js

Created August 29, 2018 08:45
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Prevent form double submission with vanilla js
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prevent-double-submission.js
var form = document.getElementById("form1")
form.addEventListener("submit", function (e) {
if (true === this.isSubmit) {
e.preventDefault()
} else {
this.isSubmit = true
}
})
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