How to realize the reminder of the remaining words in the input box by JS

This article mainly introduces the relevant knowledge of "how JS realizes the reminder of the remaining words in the input box text". The editor shows you the operation process through the actual case, the operation method is simple and fast, and the practicality is strong. I hope that this article "how to realize the JS reminder of the remaining words in the input box text" can help you solve the problem.

The source code is as follows

W3C-$(). Ready (function () {var ty = document.getElementById ("cty"); var sentence=document.getElementById ("sentence"); var minLen=document.getElementById ("minLen"); var maxLen=document.getElementById ("maxLen"); var leftLen=document.getElementById ("leftLen"); sentence.onkeyup= function () {maxLength = parseInt (maxLen.firstChild.nodeValue); this.value = this.value.substr (0min maxLength); var len = this.value.length;minLen.firstChild.nodeValue = len;leftLen.firstChild.nodeValue = maxLength-len;} (}); 0 take 100 words, and you can enter another 100 words! This is the end of the content of "how to realize the reminder of the remaining words in the input box by JS". Thank you for your reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.