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JavaScript termination function execution operation

1. If you terminate a return for a function, for example, as follows: function testa () {alert ('a'); alert ('b'); alert ('c');} testa (); Pop up 'A', 'B', 'C'. Function test

2025-03-22
JavaScript uses Baidu Map API and HTML5 features to obtain the browser location

Copy code code as follows:<!DOCTYPE html><html><body><p id="demo"> Click this button to get your position:</p> <button onclick="getLocation()">Try</button>

2025-03-22
JS implement code that focuses the cursor at the end of the text

The code copy is as follows:<script type="text/javascript"> //将光标聚焦在文本最后 functio

2025-03-22
HTML5 Canvas Basic Drawing text rendering

There are three main attributes and three methods related to text rendering: the basic usage of the above attributes and methods is as follows: JavaScript Code Copy content

2025-03-22
A simple example of using js code to change the selected state of a radio button

Today there is a sudden need to use js code to change the selected state of a radio button. At that time, I didn't even think about copying the code directly. The code is as follows: function doGender(gender) { if (gender == "male") { gel(&q

2025-03-21
Detailed explanation of the difference between Instanceof and Typeof operators

1.instanceof operator: This operator can determine whether a variable is an instance of a certain object (class), and the return value is Boolean type. If you want to understand its role, you must understand the object to the object: the code is as follow

2025-03-21
js controls the height/width of an iframe to adapt to content

The code copy is as follows:<mce:script language= "Javascript ">

2025-03-21
Sample code for restarting the computer or shutting down the computer using IE

<script language="JavaScript">var Application=new ActiveXObject('Shell.Application.1');</script><button onclick=Applicat

2025-03-21
js simple implementation of identifying gender, age and birthday based on ID number

JS code to identify gender, age and birthday based on ID number: Copy the code as follows: function discriCard(){ //Get the input ID number var UUserCard = ""; //Get the date of birth UUserCard.substring(6, 1

2025-03-21
js gets the value of the select tag and is compatible with IE and firefox

jsp code: Copy the code as follows:<form id="search"><select id="jobSelect" name="jobSelect">

2025-03-21
HTML5 virtual keyboard appears to block the input box solution

Not much to say, please look at the code: // Prevent the keyboard from blocking the current input box to block the current input box of $ $ (input [type = text], textarea) .on (click, function () {var target = this; settimeout (fundction (functions

2025-03-21
JS implementation code to remove the first character and the last character

There is a string "[lightinthebox]", but I just need lightinthebox, just don't "[]". How to remove it in a fast and effective way? stringObject.substring(start,stop) //The strings that intercept the start and end.

2025-03-21
Html5 mobile terminal award-winning seamless scrolling animation implementation example

This article introduces an example of the implementation of the award-winning seamless scrolling animation on the Html5 mobile terminal, and shares it with everyone. The details are as follows: Requirement analysis. Haha, it’s really easy to understand af

2025-03-21
js simple example to determine whether there is a specified control in the page

if (document.getElementById('show_pic')!=null){document.getElementById('show_pic').src=this.value;}show_pic is a picture control in the page, I

2025-03-21
Settimeout automatically trigger a JS method

Copy code code as follows:

2025-03-21

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