How to modify image src with jquery

Jquery method to modify image src: first open the corresponding front-end code file; then pass "$("#img1").attr("src", "img/" index ".jpg" );" Just modify the image src.

Recommended: "javascript basic tutorial"

jquery changes the src of img:

img.src="img/" +index+ ".jpg";  //js方式
 
$("#img1").attr("src", "img/" +index+ ".jpg" ); //jq方式

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