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How do I load a JavaScript file?
To include an external JavaScript file, we can use the script tag with the attribute src . You’ve already used the src attribute when using images. The value for the src attribute should be the path to your JavaScript file. This script tag should be included between the tags in your HTML document.
Do JavaScript files load in order?
So normally (without those async or defer attributes), scripts get excuted in the order in which they are specified in the source code. But if the script tags are in the , the browser will first wait for all scripts to load before it starts executing anything.
Why include JavaScript at the bottom?
When you place your JavaScript at the bottom of your HTML body, it gives the HTML time to load before any of the JavaScript loads, which can prevent errors, and speed up website response time.
How is JavaScript executed in browser?
To execute JavaScript in a browser you have two options — either put it inside a script element anywhere inside an HTML document, or put it inside an external JavaScript file (with a . js extension) and then reference that file inside the HTML document using an empty script element with a src attribute.
Should jQuery be in head or body?
It’s always a good practice to add jQuery code in footer i.e. just before the closing tag. If you have not done that, then use the defer attribute. The defer attribute is used to specify that the script execution occurs when the page loads. It is useful only for external scripts and is a boolean attribute.
How do I load a script into console?
Use Chrome browser and with the Web Server for Chrome extension, set a default folder and put your linked html/js files in there, browse to 127.0. 0.1:8887 (0r whatever the port is set at) in Chrome and open the developers panel & console. You can then interact with your html/js scripts in the console.